MCDU Functions in Aircraft Flight Preparation
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Questions and Answers

What is the primary purpose of the MCDU in aircraft flight preparation?

  • To communicate with air traffic control
  • To perform in-flight entertainment options
  • To initialize flight plans and navigation (correct)
  • To manage engine performance

Which of the following data entries are made through the MCDU for flight preparation?

  • Flight plan details and performance data (correct)
  • Fuel capacity and distribution
  • Passenger manifest and cargo loads
  • Weather updates and forecasts

Which of the following is NOT mentioned as a function of the MCDU?

  • Choice of the database
  • Radio navigation entries and checks
  • Performance data entry
  • Cabin pressure adjustment (correct)

What is the significance of V1 in aircraft performance data?

<p>It is the decision speed during the takeoff roll (A)</p> Signup and view all the answers

What does the FLEX TEMP refer to in the context of flight preparation?

<p>The flexible takeoff temperature to improve performance (B)</p> Signup and view all the answers

During flight preparation, what does the MCDU check in terms of navigation?

<p>Radio navigation entries and checks (D)</p> Signup and view all the answers

Which of the following speeds is typically entered into the MCDU?

<p>V1 (decision speed) (C)</p> Signup and view all the answers

What is often included in the initialization process of the MCDU?

<p>Choosing the correct database (D)</p> Signup and view all the answers

What happens if the FE GC exceeds the aft CG caution limit?

<p>An alert is sent to halt fuel transfer. (B)</p> Signup and view all the answers

Which system is primarily responsible for calculating the aft CG warning?

<p>The FE function (D)</p> Signup and view all the answers

What type of signal does the FE function send when the CG is greater than the limit CG?

<p>An aft CG warning signal. (C)</p> Signup and view all the answers

Which component of the aircraft provides the caution limit for the aft CG?

<p>The FE function (A)</p> Signup and view all the answers

What does the FE function mainly utilize to estimate CG and weight?

<p>THS deflection (B)</p> Signup and view all the answers

What occurs after an aft CG warning signal is triggered?

<p>An ECAM message is displayed. (C)</p> Signup and view all the answers

Which component is responsible for acquiring the Alphafloor detection signal?

<p>The FE part (B)</p> Signup and view all the answers

What kind of estimates does the FE function make?

<p>CG and weight estimates (B)</p> Signup and view all the answers

In the context of CG monitoring, what does the acronym ECAM stand for?

<p>Electronic Centralized Aircraft Monitoring (A)</p> Signup and view all the answers

What is the trigger for stopping fuel transfer in relation to CG monitoring?

<p>Aft CG caution limit exceeded (A)</p> Signup and view all the answers

What should be displayed on the P/N STATUS page to avoid unnecessary uploading?

<p>A different P/N from the floppy disk (A)</p> Signup and view all the answers

Which key on the MCDU should be pressed to access the A/C STATUS page?

<p>DATA mode key (C)</p> Signup and view all the answers

What is the next step after selecting the SOFTWARE STATUS/XLOAD indication?

<p>Display the P/N XLOAD page (C)</p> Signup and view all the answers

What does pushing the line key adjacent to NEXT PAGE do?

<p>It displays the next software operational page (B)</p> Signup and view all the answers

What is required for the uploading process to be unnecessary?

<p>The P/N references must match (B)</p> Signup and view all the answers

Which version of the FMGEC is mentioned for uploading?

<p>FM22B1000000001 (C)</p> Signup and view all the answers

What kind of aircraft is referenced along with the software P/N?

<p>A330-200/300 (A)</p> Signup and view all the answers

What happens if the P/N on the disk is the same as the displayed P/N?

<p>No upload is necessary (C)</p> Signup and view all the answers

What must be opened on the RESET panel before uploading?

<p>One of the FMGECs C/Bs (A)</p> Signup and view all the answers

Which of the following indicates a necessary step before crossloading data?

<p>Verifying the loadable elements (A)</p> Signup and view all the answers

To access operational software details, what page must be reached?

<p>FM Operational Software Page (D)</p> Signup and view all the answers

What family is specifically referenced along with the aircraft in this content?

<p>CMQ - SA family (C)</p> Signup and view all the answers

What is indicated as the software P/N in the content?

<p>FM22B1000000001 (C)</p> Signup and view all the answers

What is the correct sequence to prevent incompatible uploads?

<p>Check P/Ns, access software page, upload (B)</p> Signup and view all the answers

What is the role of the Flight Envelope (FE) function in relation to the Flight Control Primary Computers (FCPCs)?

<p>It acquires and transmits the alphafloor signal to the Flight Guidance part. (B)</p> Signup and view all the answers

How is the activation of the functions by the Flight Management Guidance and Envelope Computers (FMGECs) determined?

<p>A single detection by one FMGEC is sufficient. (A)</p> Signup and view all the answers

Under what flight conditions is windshear detection inhibited?

<p>When the aircraft is in a clean configuration. (A)</p> Signup and view all the answers

Between which altitudes is windshear detection available during the approach phase?

<p>From 1300 feet RA to 50 feet RA. (A)</p> Signup and view all the answers

When does alphafloor acquisition become unavailable?

<p>From take-off to 100 feet RA before landing. (A)</p> Signup and view all the answers

What does the FE function compute if windshear is detected?

<p>A windshear warning. (D)</p> Signup and view all the answers

Which of the following statements about alphafloor detection is true?

<p>It is available only from take-off to near landing. (B)</p> Signup and view all the answers

What is necessary for the speed limits and manoeuvering speeds to be displayed on the PFD?

<p>A successful detection by the FE function. (D)</p> Signup and view all the answers

What happens if the aircraft is in a clean configuration during take-off?

<p>Windshear detection is inhibited. (D)</p> Signup and view all the answers

What is the significance of the 30-second time window after take-off under 250 feet concerning windshear detection?

<p>Windshear detection is available. (A)</p> Signup and view all the answers

What happens when the FM source selector is set to the NORM position?

<p>B/UP NAV functions are activated. (B)</p> Signup and view all the answers

Which of the following statements is true regarding the B/UP NAV data?

<p>B/UP NAV provides information on distance and time to the active waypoint. (C)</p> Signup and view all the answers

What occurs if the FM source selector is switched from NORM to another position?

<p>B/UP NAV is deactivated. (D)</p> Signup and view all the answers

In which modes can the BACK-UP F-PLN be viewed on the NDs?

<p>In ROSE or ARC modes. (A)</p> Signup and view all the answers

What is displayed for the flight plan in the BACK-UP NAV function?

<p>A dashed line in green. (C)</p> Signup and view all the answers

What does the MCDU do before activating the BACK-UP NAV function?

<p>Transfers a condensed form of the flight plan to the MCDU. (B)</p> Signup and view all the answers

Which of the following statements about MCDU3 is accurate?

<p>MCDU3 does not offer BACK-UP NAV options. (A)</p> Signup and view all the answers

What is indicated when the B/UP NAV prompt is available?

<p>MCDU B/UP NAV function can be activated. (C)</p> Signup and view all the answers

What is the first step required to delete a flight plan from the MCDU INIT A page?

<p>Press 'DATA' mode key (B)</p> Signup and view all the answers

What happens to the ACTIVE and SECOND DATA BASE after selecting the 'SECOND DATA BASE' page?

<p>Their dates and numbers are transposed (B)</p> Signup and view all the answers

What should be verified before proceeding with further steps after transposing the databases?

<p>The 'ACTIVE DATA BASE' is valid (A)</p> Signup and view all the answers

After verifying the ACTIVE DATA BASE, what is the next action to take?

<p>Press 'INIT' mode key (A)</p> Signup and view all the answers

What does pressing the 'INIT' mode key verify at this stage of deleting the flight plan?

<p>That 'INIT A' page is erased (A)</p> Signup and view all the answers

What is the last action taken after the flight plan data is deleted to ensure a clean state?

<p>Select 'SECOND DATA BASE' again (D)</p> Signup and view all the answers

What type of conditions does the Flight Envelope function monitor?

<p>Abnormal flight conditions (A)</p> Signup and view all the answers

What is the primary purpose of the Flight Envelope function in the Auto Flight System?

<p>To compute speed envelope (B)</p> Signup and view all the answers

Which component is essential to begin the deletion process of a flight plan?

<p>MCDU 1 or 2 (A)</p> Signup and view all the answers

Why is it necessary to wait a few seconds after selecting 'SECOND DATA BASE'?

<p>To allow data loading to complete (A)</p> Signup and view all the answers

What is the result of pressing 'DATA' mode key on MCDU?

<p>Open the DATA INDEX page (D)</p> Signup and view all the answers

After deletion, what should a user check on the INIT A page?

<p>That it is in initial condition (A)</p> Signup and view all the answers

What key function does the Auto Flight System (AFS) serve beyond flight plan management?

<p>Acquisition of aircraft parameters (D)</p> Signup and view all the answers

What happens if the 'ACTIVE DATA BASE' is out of date during the process?

<p>It may lead to incorrect flight data (B)</p> Signup and view all the answers

Which operation is performed at BACK-UP NAV activation?

<p>Last updating of the active route (C)</p> Signup and view all the answers

What is NOT updated during a downloading process?

<p>Power management settings (C)</p> Signup and view all the answers

Which of the following changes does NOT initiate an updating process?

<p>Modification of aircraft speed settings (D)</p> Signup and view all the answers

What limitation is noted for the MCDU B/UP NAV function compared to FM function?

<p>It has reduced capability. (D)</p> Signup and view all the answers

What information is included in the F-PLN page for active routes?

<p>Computed course, time, and distance (D)</p> Signup and view all the answers

Which leg information is NOT part of the downloading process?

<p>Pilot's personal notes (A)</p> Signup and view all the answers

What maximum number of legs can the F-PLN page display?

<p>150 legs (D)</p> Signup and view all the answers

Which of the following is a reason for performing power management settings during FM changes?

<p>To ensure smooth power transition (A)</p> Signup and view all the answers

What does VLS provide in aircraft operations?

<p>A safety margin to avoid stalling (A)</p> Signup and view all the answers

In which configuration does VMAX correspond to the Maximum Flap Extended Speed (VFE)?

<p>Flight with slats and flaps extended (C)</p> Signup and view all the answers

What factors influence the Manoeuvering Speed (VMAN)?

<p>Weight and number of engines running (D)</p> Signup and view all the answers

How is VMAX determined in clean configuration but with landing gear extended?

<p>By the Maximum Landing Gear Extended Speed (VLE) (C)</p> Signup and view all the answers

How is VLS visually represented on the Primary Flight Display (PFD)?

<p>By the top of an amber strip in the lower part of the speed scale (B)</p> Signup and view all the answers

Which of the following is NOT a function performed by the MCDU during flight preparation?

<p>Aircraft engine testing (B)</p> Signup and view all the answers

What key performance data is typically entered into the MCDU for take-off preparation?

<p>V1, VR, and V2 (D)</p> Signup and view all the answers

When initializing the flight plan with the MCDU, which of the following must be selected?

<p>Database (C)</p> Signup and view all the answers

What does the FLEX TEMP refer to in terms of MCDU data entry?

<p>Flexible temperature setting for engine performance (B)</p> Signup and view all the answers

Which component of flight preparation involves checks of radio navigation entries?

<p>MCDU (B)</p> Signup and view all the answers

What is the role of entering the decision speed (V1) into the MCDU?

<p>It indicates the speed at which a decision must be made to continue or abort take-off. (B)</p> Signup and view all the answers

In the context of the MCDU, which of the following statements about flight plan initialization is true?

<p>It requires selection of database and radio nav checks. (A)</p> Signup and view all the answers

Which of the following performance data is crucial for determining safe take-off conditions?

<p>V1, V2, and FLEX TEMP (D)</p> Signup and view all the answers

What happens to the thrust levers when the take-off thrust is initiated using the TO/GA gate?

<p>The FMGECs engage take-off operational modes. (D)</p> Signup and view all the answers

What does the A/THR function indicate when the thrust levers are moved to the TO/GA gate?

<p>It becomes engaged but not active. (C)</p> Signup and view all the answers

At what point is the pilot warned to set the thrust levers to the CLimB gate?

<p>At the thrust reduction altitude. (A)</p> Signup and view all the answers

What is required for either autopilot (AP) to be engaged after take-off?

<p>At least 5 seconds after lift-off. (A)</p> Signup and view all the answers

What audio message typically indicates the pilots to set the thrust levers to the IDLE gate before touch-down?

<p>RETARD (B)</p> Signup and view all the answers

Which gate is typically set when a flexible temperature has been entered into the MCDU?

<p>FLEXiblle-Maximum Continuous Thrust gate (C)</p> Signup and view all the answers

What must the thrust levers be set to after entering the FLEX-MCT gate?

<p>CLimB gate (B)</p> Signup and view all the answers

What is the frequency for updating the navigation database?

<p>Every 28 days (C)</p> Signup and view all the answers

What visual indication appears on the PFDs when the thrust levers are in the TO/GA gate?

<p>Flight director (FD) guidance symbols (C)</p> Signup and view all the answers

Which component is responsible for uploading data to the FMGEC?

<p>Multipurpose Disk Drive Unit (MDDU) (B)</p> Signup and view all the answers

What does the FM part of each FMGEC primarily rely on?

<p>Performance and Navigation data bases (D)</p> Signup and view all the answers

Which configuration files are mandatory loadable elements for the FMGEC?

<p>Airline Modifiable Information (AMI) (B)</p> Signup and view all the answers

In which position should the FM source selector be set for maintenance configuration?

<p>NORM (A)</p> Signup and view all the answers

What is necessary for the effective operation of the FM part of FMGECs?

<p>Flight Management System operational software (B)</p> Signup and view all the answers

Which software component is classified as an Operational Control Configuration?

<p>Operational Control Configuration (OPC) (D)</p> Signup and view all the answers

What does the MDDU contribute to in the FMGEC operation?

<p>Data Uploading (D)</p> Signup and view all the answers

Which update frequency for the navigation data is specified?

<p>Every 28 days (A)</p> Signup and view all the answers

What type of aircraft is specifically mentioned in the context of FMGEC?

<p>Airbus A330 (B)</p> Signup and view all the answers

What happens to flight plan data if there is a power interruption of less than 10 milliseconds?

<p>The FM retrieves the flight plan data for display on the MCDU. (A)</p> Signup and view all the answers

Which of the following describes the function of the AUTO FLIGHT section in the A330-200/300?

<p>It is related to the aircraft's automatic navigation and flight controls. (C)</p> Signup and view all the answers

What is the date mentioned for the document related to navigation back-up?

<p>November 20, 2008 (B)</p> Signup and view all the answers

What does the term 'D/O (3)' refer to in the context of the technical training manual?

<p>Deactivation Procedures (A)</p> Signup and view all the answers

When is the BACK-UP NAV function displayed on the navigation displays?

<p>Under specific operational failures. (C)</p> Signup and view all the answers

What type of aircraft is referenced for gaining experience according to the documented training?

<p>A330-200/300 (B)</p> Signup and view all the answers

In the context of the content, what does 'CMQ' likely stand for?

<p>Crew Management Qualification (A)</p> Signup and view all the answers

What does the REV. 1 noted in the manual signify?

<p>The first revision of the document. (D)</p> Signup and view all the answers

What is indicated by the 'FOR TRAINING PURPOSES ONLY' note in the manual?

<p>The content should not be used for actual flight operations. (D)</p> Signup and view all the answers

What is the primary component responsible for retrieving flight plan data during a power interruption?

<p>FM (B)</p> Signup and view all the answers

Which of the following is NOT a functionality included in the MCDU initialization process?

<p>Automatic fuel transfer adjustments (A)</p> Signup and view all the answers

What is a key responsibility of the MCDU during flight preparation?

<p>Selection of the data base (A)</p> Signup and view all the answers

Which performance data is typically NOT inputted into the MCDU during initialization?

<p>V3 (climb speed) (B)</p> Signup and view all the answers

Which item would NOT be considered part of the data entries for flight plan initialization on the MCDU?

<p>Airspace regulations (B)</p> Signup and view all the answers

What does the pilots' choice of the data base during MCDU initialization influence the most?

<p>Navigation accuracy (A)</p> Signup and view all the answers

Which of the following entries is primarily concerned with take-off performance in the MCDU initialization?

<p>V1 (decision speed) (B)</p> Signup and view all the answers

How does MCDU initialization affect the efficiency of flight preparations?

<p>It speeds up navigation checks. (D)</p> Signup and view all the answers

Which piece of information would typically be inputted into the MCDU for performance data but is crucial for decision-making during landing?

<p>Vapproach (approach speed) (A)</p> Signup and view all the answers

What is the primary function of the automatic landing feature after touchdown?

<p>To control the aircraft on the runway centerline (D)</p> Signup and view all the answers

What occurs after the last autopilot (AP) is engaged during normal operations?

<p>The newly engaged autopilot takes priority (A)</p> Signup and view all the answers

What must be regularly updated to ensure the operational capability of the navigation system?

<p>Navigation and performance data base (B)</p> Signup and view all the answers

Under what conditions do pilots disengage autopilots during roll-out?

<p>At low speed or when the aircraft is stopped (D)</p> Signup and view all the answers

How is the second autopilot engaged during an automatic landing phase?

<p>Through the APProach button in the FCU (D)</p> Signup and view all the answers

What happens first when an autopilot is engaged during a normal climb phase?

<p>The autopilot takes control of the engine thrust (C)</p> Signup and view all the answers

What is the primary limitation regarding engagement of autopilots in flight?

<p>Only one autopilot can be engaged at a time (A)</p> Signup and view all the answers

What is required for a successful approach and landing phase in aviation?

<p>Updated navigation and performance databases (C)</p> Signup and view all the answers

What does F speed represent in the context of aircraft configuration?

<p>Minimum flap retraction speed (B)</p> Signup and view all the answers

Which condition must be met for S speed to be represented on the PFD?

<p>When the shock absorber extension occurs (D)</p> Signup and view all the answers

What is VMAXOP primarily limited by when flaps and slats are extended?

<p>Flap Extended Speed (VFE) and VLS (D)</p> Signup and view all the answers

What does VLS represent in the context of operational speeds?

<p>Lowest Selectable Speed (C)</p> Signup and view all the answers

What configuration allows for the display of VMAXOP on the PFD?

<p>Clean configuration (A)</p> Signup and view all the answers

What represents a speed limit during flight based on weight and altitude for clean configuration?

<p>VMAXOP (A)</p> Signup and view all the answers

What happens when a flight plan (F-PLN) page is activated in the BACK-UP NAV function?

<p>Last updates are finalized and no further updates are processed. (D)</p> Signup and view all the answers

Which of the following is NOT a function related to the downloading process in the MCDU?

<p>Deleting navigational aids (A)</p> Signup and view all the answers

What is the relationship between F speed and the slat/flap lever position?

<p>F speed is available when the lever is in positions 3 or 2 (B)</p> Signup and view all the answers

Which of the following statements about VMAX speed is correct?

<p>VMAX speed is used to prevent excessive speed (A)</p> Signup and view all the answers

What is the maximum number of legs that can be displayed on the F-PLN page during a download?

<p>150 legs (C)</p> Signup and view all the answers

Which statements correctly describe the effects of a FM source selector change?

<p>The system reverts to previous active waypoint sequences. (B)</p> Signup and view all the answers

What does the B/UP NAV function lack in comparison to the FM function?

<p>Comprehensive leg sequencing options (A)</p> Signup and view all the answers

Which scenario would cause a failure in downloading updated flight information?

<p>Activation of BACK-UP NAV before final updates (B)</p> Signup and view all the answers

During the downloading process, what types of information are included for each waypoint?

<p>Course, time, and distance information (C)</p> Signup and view all the answers

Which of the following constraints is related to the FM primary flight planning operations?

<p>Resynchronization of the MCDU configurations (C)</p> Signup and view all the answers

What factors are considered in the algorithm for windshear warning computation?

<p>Longitudinal shears, vertical acceleration, wind components, and slat/flap position (B)</p> Signup and view all the answers

What happens when both RAs fail in terms of windshear detection?

<p>Windshear warning is not available (D)</p> Signup and view all the answers

What is the primary purpose of the Fuel Control and Monitoring Computer (FCMC) in relation to aircraft performance?

<p>To control the center of gravity position by transferring fuel (A)</p> Signup and view all the answers

What indicates a windshear warning on the aircraft's systems?

<p>A visual indication on the PFD supplemented by an aural warning (D)</p> Signup and view all the answers

What role does the Slat Flap Control Computer (SFCC) play in the context of windshear detection?

<p>To provide the slat/flap position data to the windshear algorithm (B)</p> Signup and view all the answers

What minimum requirement is necessary for the windshear warning to be triggered?

<p>Aircraft energy based on speed and flight path (B)</p> Signup and view all the answers

What is displayed on the ECAM status page if the windshear warning is lost?

<p>Windshear warning status loss indicator (B)</p> Signup and view all the answers

What is the impact of transferring fuel forward as controlled by the FCMC on aircraft performance?

<p>It helps in optimizing the center of gravity for better handling (B)</p> Signup and view all the answers

In which scenario will windshear detection likely be inhibited?

<p>In clear weather conditions with no turbulence (A)</p> Signup and view all the answers

What signal does the system provide when it detects windshear?

<p>A combination of visual and aural alerts (A)</p> Signup and view all the answers

What does the term 'VMAXOP' refer to in the context of flight envelope protection?

<p>The maximum operational speed (B)</p> Signup and view all the answers

Which of the following describes the purpose of Alphafloor protection?

<p>To acquire maximum thrust in emergency situations (D)</p> Signup and view all the answers

What is indicated when the speed limits and maneuvering speeds are displayed on the PFD?

<p>The aircraft is operating within flight envelope parameters (C)</p> Signup and view all the answers

In the context of operational speed computation, what does the term VLS represent?

<p>The minimum safe speed before stalling (C)</p> Signup and view all the answers

During which flight phase is windshear detection specifically inhibited?

<p>During take-off (A)</p> Signup and view all the answers

What consequence does a clean configuration during take-off entail concerning stall warnings?

<p>It may reduce the likelihood of stall warnings (B)</p> Signup and view all the answers

What does the Flight Envelope (FE) function primarily compute in cases of detected windshear?

<p>Optimal thrust settings for recovery (A)</p> Signup and view all the answers

What is the role of the Flight Management Guidance and Envelope Computers (FMGECs) during flight?

<p>To determine activation of various flight functions (B)</p> Signup and view all the answers

What role does the BITE play in relation to the Central Maintenance Computers (CMCs)?

<p>It detects and identifies internal and external transceiver failures. (D)</p> Signup and view all the answers

How does the LGCIU contribute to the functioning of the BITE?

<p>By sending a discrete ground signal to the HF transceivers. (A)</p> Signup and view all the answers

What data does the BITE store for maintenance purposes?

<p>Maintenance data related to system faults. (A)</p> Signup and view all the answers

Under what circumstance does the LGCIU send information to increment the fault memory?

<p>When the landing gear is down or not when in flight. (C)</p> Signup and view all the answers

What type of communication does the BITE maintain with the CMCs?

<p>Two-way communication through ARINC 429 buses. (C)</p> Signup and view all the answers

What happens to the fault memory if the CMC experiences a failure?

<p>It is incremented to record the failure. (C)</p> Signup and view all the answers

What initiates the log-in procedure for satellite communication in the aircraft system?

<p>Selection of the log-on command on the MCDU SATCOM Menu (A)</p> Signup and view all the answers

What is a consequence of the A/C being in the flight mode with the landing gear down?

<p>A ground signal is sent to the HF transceivers. (B)</p> Signup and view all the answers

What component interfaces with the BITE for maintenance communication?

<p>The Landing Gear Control and Interface Unit. (C)</p> Signup and view all the answers

What function does the SDU perform after initiating the log-in procedure?

<p>It checks the quality of signals from ground stations (A)</p> Signup and view all the answers

What is contained within the ORT data table used by the SDU?

<p>Information on all ground stations in satellite regions (A)</p> Signup and view all the answers

What information does the ground station provide after a successful log-in?

<p>An electronic bulletin board with system table information (D)</p> Signup and view all the answers

Which of the following is evaluated by the SDU to determine the best signal for log-on?

<p>Signal strength and bit error rate (B)</p> Signup and view all the answers

In which mode does the SDU begin selecting the ground station for communication?

<p>Normal operational mode (C)</p> Signup and view all the answers

What aspect of the ground station's signal quality is not measured by the SDU?

<p>Geographical location (C)</p> Signup and view all the answers

What is the primary purpose of the programming done by the SDU?

<p>To manage communication channels based on received signals (B)</p> Signup and view all the answers

What is the primary limitation of the low gain antenna subsystem in the LGA system?

<p>It cannot enable high rate data transmission or voice telecommunication. (D)</p> Signup and view all the answers

Which component is responsible for distributing the transmit signal in the antenna system?

<p>Splitter (A)</p> Signup and view all the answers

What characteristic of the LGA makes it distinct in terms of antenna adjustment?

<p>It is non-adjustable. (A)</p> Signup and view all the answers

In the context of the antenna system, what is the function of the combiner?

<p>To combine Rx signals from two D/LNAs before sending to RFU. (A)</p> Signup and view all the answers

Which statement is correct regarding the necessity of a BSU for the LGA?

<p>The LGA is designed to function without a BSU. (B)</p> Signup and view all the answers

What type of communication does the LGA primarily support when the high gain antenna subsystem fails?

<p>Low rate data transmission. (D)</p> Signup and view all the answers

Which type of design does the LGA antenna utilize?

<p>Omnidirectional and non-adjustable design. (D)</p> Signup and view all the answers

What is the primary application of the Passenger Address (PA) system mentioned in the content?

<p>To provide flight announcements to passengers. (A)</p> Signup and view all the answers

What is the role of the HFDR coupler within the HF system?

<p>To provide impedance matching between the antenna and transceiver (B)</p> Signup and view all the answers

Which component is NOT included as a main part of the HF system?

<p>Transponder Unit (D)</p> Signup and view all the answers

How many High Frequency Data Radio transceivers are included in the HF system?

<p>2 (C)</p> Signup and view all the answers

Which of the following statements most accurately describes the acoustic equipment in the HF system?

<p>It includes multi-functional radio selectors and microphones. (A)</p> Signup and view all the answers

What type of antenna is utilized in the HF system?

<p>Shunt-type antenna (A)</p> Signup and view all the answers

What is the function of the Radio Management Panels (RMPs) within the HF system?

<p>To control the overall communications interfaces (C)</p> Signup and view all the answers

How many oxygen mask microphones are part of the acoustic equipment in the HF system?

<p>3 (C)</p> Signup and view all the answers

Which of the following components does NOT have a role in audio management in the HF system?

<p>High Frequency Data Radio transceivers (A)</p> Signup and view all the answers

What is the primary function of the cabin and flight crew interphone system?

<p>To facilitate communications between all crew members and the cockpit (C)</p> Signup and view all the answers

Which of the following functionalities is NOT associated with the PA-CAB system?

<p>Direct calls to passengers from the cockpit (C)</p> Signup and view all the answers

In the context of the A330-200/300 interphone system, what role does the cockpit handset primarily serve?

<p>It allows communication between the cockpit and cabin crew stations (A)</p> Signup and view all the answers

What does the acronym PA-CAB refer to in this context?

<p>Passenger Address Communication System (B)</p> Signup and view all the answers

Which aircraft family does the interphone system specifically pertain to in this context?

<p>A330 family (D)</p> Signup and view all the answers

What is the significance of the date provided (Nov 20, 2008) in relation to the interphone functionalities?

<p>It serves as the revision date for training materials (C)</p> Signup and view all the answers

Which of the following best describes the training services mentioned in relation to the A330-200/300?

<p>Deviation training services for maintenance crews (A)</p> Signup and view all the answers

What information would likely NOT be covered by the PA-CAB and service interphones functionalities?

<p>Interpersonal communication techniques among crew (C)</p> Signup and view all the answers

What is the consequence of a loss of signal detected by the SDU after log on?

<p>The SDU will attempt to tune to the next preferred ground station. (D)</p> Signup and view all the answers

During which scenario would the CALL legend on the ACP flash for incoming calls to the flight crew?

<p>When the flight crew selects the SATCOM channel for communications. (A)</p> Signup and view all the answers

What should occur if the SDU does not receive a signal within ten seconds during communication attempts?

<p>It will try to connect with the next preferred ground station. (B)</p> Signup and view all the answers

What is indicated on the SATCOM MAIN MENU for any active ground-to-air call?

<p>The ground-to-air call status is visible with priority. (A)</p> Signup and view all the answers

What does the SELCAL buzzer indicate when a flight crew receives an incoming call?

<p>An incoming call to the flight crew outside of flight phase inhibition. (B)</p> Signup and view all the answers

What restriction applies to passenger calls initiated from the ground?

<p>Passenger calls to the flight crew are not allowed for safety reasons. (B)</p> Signup and view all the answers

What is the purpose of the BITE interface via ARINC 429 bus in relation to the SDU?

<p>To allow maintenance checks and system diagnostics. (A)</p> Signup and view all the answers

What happens to flight information during SDU log on renewal within the satellite region?

<p>It is not transmitted with the log on request. (C)</p> Signup and view all the answers

What happens if the transmission lasts more than 1 minute in the HF system?

<p>A 'HF1 EMITTING' or 'HF2 EMITTING' amber message is displayed. (B)</p> Signup and view all the answers

Which component is responsible for handling HF1 and HF2 frequency control in the HF system?

<p>The RMPs (B)</p> Signup and view all the answers

What does the term 'SDAC' refer to in the context of the HF system?

<p>System Data Acquisition Concentrator (B)</p> Signup and view all the answers

Which specific aircraft models are associated with the HF system context provided?

<p>A330-200/300 series (A)</p> Signup and view all the answers

What does the acronym HF stand for in the context of aviation communications?

<p>High Frequency (B)</p> Signup and view all the answers

What purpose does the amber message serve in the HF system?

<p>To alert about prolonged transmission duration (D)</p> Signup and view all the answers

Which is NOT a main component of the HF system as described?

<p>Flight Management Guidance Computer (C)</p> Signup and view all the answers

What level of training is specified for the CMQ - SA family to A330-200/300?

<p>Level 2 (A), Level 3 (C)</p> Signup and view all the answers

What happens to the transmitted signal after it has been sent to the satellite?

<p>It is routed to the ground station for further processing. (A)</p> Signup and view all the answers

What indicates that a call is established during satellite communication?

<p>The CONNECTED indication displayed next to the selected channel. (A)</p> Signup and view all the answers

Which signal is sent to the SDU for demodulation after receiving data from the antenna?

<p>IF Rx signal. (A)</p> Signup and view all the answers

What is the function of the D/LNA in the communication process?

<p>It processes the received radio frequency signals. (B)</p> Signup and view all the answers

During an outgoing call, what will happen to the green lines on the transmission keys?

<p>They will flash during call establishment and then become steady. (B)</p> Signup and view all the answers

What is the significance of the IF signal in the satellite communication system?

<p>It serves as an intermediate frequency for demodulation. (A)</p> Signup and view all the answers

What occurs when the antenna receives signals from the satellite?

<p>The L-band radio frequency signal is converted to IF Rx signal. (A)</p> Signup and view all the answers

What happens to the transmission signal prior to being sent from the antenna?

<p>It passes through an amplification chain. (A)</p> Signup and view all the answers

What primary role does the AMU serve in relation to the VDR transceivers?

<p>It interfaces between users and VHF systems for audio signal transmission and reception. (A)</p> Signup and view all the answers

When does the VDR transceiver emit an aural warning during transmission?

<p>If the transmission exceeds 30 seconds. (D)</p> Signup and view all the answers

How does the VDR transceiver identify the flight state and increment the flight leg?

<p>By receiving status updates from the LGCIU. (B)</p> Signup and view all the answers

What function do the ACPs serve in the VDR transceivers system?

<p>They control the selection of VHF transmission or reception mode. (A)</p> Signup and view all the answers

Which statement is correct regarding the transceiver connection to the ATSU?

<p>It facilitates the direct exchange of flight data with ground systems. (C)</p> Signup and view all the answers

What happens to the status message on the EWD if transmission exceeds specified limits?

<p>An amber message indicating the active transceiver status is displayed. (D)</p> Signup and view all the answers

What is the role of the port selection information line in the VDR transceivers?

<p>To indicate which input port is active. (B)</p> Signup and view all the answers

What type of system is the VDR transceiver classified as?

<p>Type 1 BITE system. (D)</p> Signup and view all the answers

What indicates that an incoming call has been received by the flight crew?

<p>The SELCAL buzzer sounds (A)</p> Signup and view all the answers

What happens if the SDU detects a loss of communication signal?

<p>It switches to the next preferred ground station (B)</p> Signup and view all the answers

Which statement regarding ground to air calls is correct?

<p>They are displayed with priority on the SATCOM MAIN MENU (D)</p> Signup and view all the answers

What is indicated on the ACP when an incoming call is logged?

<p>The CALL legend flashes indicating urgency (C)</p> Signup and view all the answers

What is the main purpose of the logon renewal process for the SDU?

<p>To refresh the communication link with ground stations (C)</p> Signup and view all the answers

What occurs if a signal is received during the SDU's 10-second waiting period?

<p>The SDU maintains its current communication (D)</p> Signup and view all the answers

What does the SATCOM channel selection on the ACP signify?

<p>Reception of incoming signal from the ground (A)</p> Signup and view all the answers

During logon renewal, what is not transmitted with the logon request?

<p>Current flight information (D)</p> Signup and view all the answers

How does the combiner function within the LGA system?

<p>It merges the Rx signals from both D/LNAs. (C)</p> Signup and view all the answers

What aspect of the LGA is characterized by its design features?

<p>It is omnidirectional and non-adjustable. (D)</p> Signup and view all the answers

What is the role of the splitter in the LGA system?

<p>To distribute the Tx signal to both the high gain and low gain systems. (C)</p> Signup and view all the answers

What communication capability is limited within the LGA system?

<p>High rate data transmission. (B)</p> Signup and view all the answers

Which characteristic of the LGA allows it to function in various environments?

<p>Omnidirectional reception capabilities. (C)</p> Signup and view all the answers

What is a significant design consideration of the LGA regarding its installation?

<p>It does not necessitate the use of a BSU. (A)</p> Signup and view all the answers

Which function does the Passenger Address (PA) system serve within the CIDS?

<p>To provide communication to passengers. (D)</p> Signup and view all the answers

What function does the LAV MAINT switch perform in the Cabin Intercommunication Data System?

<p>Switches lavatory lights on (A)</p> Signup and view all the answers

Which statement accurately describes the purpose of the FLIGHT ATTENDANT PANEL in the CIDS?

<p>It is used as the main user interface with the CIDS. (C)</p> Signup and view all the answers

What is the operational effect of engaging the SCREEN 30 sec LOCK function?

<p>Locks the touch function of the screen. (D)</p> Signup and view all the answers

How can one control the intensity of the main cabin lights using the CIDS?

<p>By pressing the LIGHTS MAIN ON/OFF switch. (C)</p> Signup and view all the answers

In which context would the term 'CIDS' typically be utilized?

<p>For managing cabin intercommunication and lighting. (D)</p> Signup and view all the answers

What does the 100% or 0% setting for the main cabin lights refer to?

<p>The brightness levels of the cabin lights. (C)</p> Signup and view all the answers

What is the primary role of the Cabin Intercommunication Data System?

<p>To facilitate communication and control cabin lighting. (D)</p> Signup and view all the answers

Which of the following features is NOT associated with the FLIGHT ATTENDANT PANEL?

<p>It allows monitoring of fuel levels. (D)</p> Signup and view all the answers

What occurs if the operator does not press the prompt key on the INIT page?

<p>The ADIRS will align to the current GPS position. (D)</p> Signup and view all the answers

How long does it typically take for the complete alignment of the ADIRS?

<p>Between 5 and 10 minutes, longer at extreme latitudes. (B)</p> Signup and view all the answers

Which action requires pressing the ALIGN IRS prompt key?

<p>Modifying aircraft position using latitude and longitude. (A)</p> Signup and view all the answers

What happens when the ADIRS is set to NAV for initialization?

<p>The GPS position is displayed within one minute. (B)</p> Signup and view all the answers

Which statement is true regarding the alignment time at high latitudes?

<p>It may take up to 17 minutes between 73° and 82° north or south. (B)</p> Signup and view all the answers

Where are the three ADIRUs installed in the aircraft?

<p>In the avionics compartment (B)</p> Signup and view all the answers

What needs to be removed to access ADIRU 1 and 2?

<p>The floor in front of the 800 VU rack (D)</p> Signup and view all the answers

Where is the ADIRS MSU installed?

<p>On the overhead panel, left-hand side (D)</p> Signup and view all the answers

Which component location is referenced as GCL13151?

<p>ADIRU installation area (B)</p> Signup and view all the answers

What is the primary function of the Mode Selector Unit (MSU)?

<p>Control the operation of ADIRUs (A)</p> Signup and view all the answers

What indicates that the ADIRUs are well-integrated into the aircraft's avionics?

<p>They interface with multiple systems seamlessly (A)</p> Signup and view all the answers

Which description correctly characterizes the location of ADIRU 1 and 2?

<p>Situated in a compartment that requires floor removal (C)</p> Signup and view all the answers

In which context is the overhead panel pertinent?

<p>For the location of the ADIRS MSU (C)</p> Signup and view all the answers

Which component requires the removal of the floor for access?

<p>ADIRU 1 and 2 (B)</p> Signup and view all the answers

What is the purpose of the navigation systems within the avionics compartment?

<p>To provide automated navigation data to the aircraft (D)</p> Signup and view all the answers

What is the primary function of the Air Data/Inertial Reference System (ADIRS)?

<p>To calculate airspeed, altitude, and heading. (B)</p> Signup and view all the answers

How many Air Data/Inertial Reference Units (ADIRUs) are included in the ADIRS?

<p>Three (D)</p> Signup and view all the answers

What is the revision date mentioned in the ADIRS documentation?

<p>01.06.2019 (A)</p> Signup and view all the answers

Which of the following best describes the structure of the ADIRS?

<p>Three independent units functioning separately. (A)</p> Signup and view all the answers

In the context of the ADIRS, what does D/O stand for?

<p>Data Output (C)</p> Signup and view all the answers

What is the significance of the mechanical and avionics course indicated in the document?

<p>It helps engineers understand the integration of systems. (C)</p> Signup and view all the answers

Which aspect of the document suggests it's intended for training purposes?

<p>The mention of deviation training services. (A)</p> Signup and view all the answers

What does the term 'IR Computation' refer to in the ADIRS context?

<p>Inertial navigation calculations based on aircraft data. (C)</p> Signup and view all the answers

What is the correct format to enter the destination city in the MCDU scratchpad for aligning the IRS?

<p>LFBO/KJFK (B)</p> Signup and view all the answers

Which of the following must be done to ensure the Air Data Module (ADM) quick-disconnect coupling is correctly attached?

<p>Look for the visible blue ring and pull it. (D)</p> Signup and view all the answers

What is the role of the Angle Of Attack (AOA) sensor in relation to the ADIRU?

<p>It offers both primary and backup signals to ensure redundancy. (C)</p> Signup and view all the answers

What information is typically found on the header of the Post Flight Report (PFR)?

<p>The origin-destination city pair (A)</p> Signup and view all the answers

How does the ADIRU handle a failure of an AOA sensor?

<p>It automatically selects the backup signal provided by the other AOA sensor. (C)</p> Signup and view all the answers

What is the first step to align the IRS as described in the procedure?

<p>Enter the city pairs in the INIT page (C)</p> Signup and view all the answers

What is a unique feature of the AOA sensors?

<p>They include a self-test mechanism activated from the MCDU. (A)</p> Signup and view all the answers

What feature should you expect to see on the MCDU when preparing for IRS alignment?

<p>An alignment option for the IRS (A)</p> Signup and view all the answers

Which statement is true about the Total Air Temperature (TAT) sensor?

<p>Each TAT sensor comprises two independent sensing elements. (A)</p> Signup and view all the answers

Which of the following best describes the initialization sequence on the MCDU for a flight?

<p>Entering both FROM and TO fields using 4-letter city codes. (B)</p> Signup and view all the answers

What connects the static and pitot probes with the ADIRU?

<p>Air Data Modules (ADMs) (D)</p> Signup and view all the answers

Why is the backup signal provision from AOA sensors critical?

<p>To ensure that the flight data remains reliable in case of sensor failure. (B)</p> Signup and view all the answers

What happens if the alignment of the IRS is not properly conducted?

<p>Flight trajectory data may be inaccurate. (C)</p> Signup and view all the answers

What alternate name is commonly used for Angle Of Attack sensors?

<p>Alpha probes (B)</p> Signup and view all the answers

What color indicates that the ADM quick-disconnect coupling is properly aligned?

<p>Blue (A)</p> Signup and view all the answers

What component is responsible for the data transmission from the AOA sensors to the ADIRU?

<p>Air Data Modules (ADMs) (C)</p> Signup and view all the answers

What feature does Total Air Temperature (TAT) sensor design incorporate for data reliability?

<p>Redundant sensing elements for independent data reading. (A)</p> Signup and view all the answers

What happens during the self-test of the AOA sensor?

<p>It verifies the operational status of both primary and backup signals. (B)</p> Signup and view all the answers

What technology provides inertial rotation rate data within the ADIRS?

<p>Ring laser gyros (B)</p> Signup and view all the answers

Which accelerometer configuration is used in the ADIRS for monitoring?

<p>One accelerometer for each axis (C)</p> Signup and view all the answers

What type of data is synthesized from the outputs of accelerometers and laser gyros in an ADIRU?

<p>IR data (B)</p> Signup and view all the answers

What is the primary role of the three accelerometers within the system?

<p>To provide linear accelerations (B)</p> Signup and view all the answers

Which component works in conjunction with the accelerometers to provide orientation data in ADIRS?

<p>Ring laser gyros (C)</p> Signup and view all the answers

How do ring laser gyros generate rotation rate information?

<p>Through laser beam interference within a ring (B)</p> Signup and view all the answers

How is the data provided by each ADIRU to users?

<p>By integrating computed signals from sensors (C)</p> Signup and view all the answers

What is the configuration of laser beams in ring laser gyros used in avionics?

<p>Two beams circulating within a ring (A)</p> Signup and view all the answers

Which function is NOT performed by the ADIRUs inertial part?

<p>Calculating atmospheric pressure (C)</p> Signup and view all the answers

What happens if the GPS functionality is lost in the A330/A340 aircraft?

<p>Only altitude and attitude information remains available (C)</p> Signup and view all the answers

Which component primarily facilitates the initialization of the IRS?

<p>Flight Management Guidance and Envelope Computers (FMGEC) (D)</p> Signup and view all the answers

What data does the air data part of the ADIRUs provide?

<p>Static and total temperature (C)</p> Signup and view all the answers

Which system receives FAULT/OFF indications from the ADIRS MSU?

<p>Inertial Reference System (IRS) (B)</p> Signup and view all the answers

Which capability is provided by the latest version of the Flight Management System (FMS)?

<p>Auto-alignment by GPS (D)</p> Signup and view all the answers

Which of the following outputs is NOT provided by the ADIRUs?

<p>Height above ground level (D)</p> Signup and view all the answers

What role do the Display Management Computers (DMCs) serve in relation to the ADIRUs?

<p>They display attitude and heading information (C)</p> Signup and view all the answers

What can lead to time wastage when aligning the ADIRS if airport point coordinates are unknown?

<p>Unavailability of GPS (C)</p> Signup and view all the answers

Why is it important to know airport point coordinates during navigation system maintenance?

<p>To ensure accurate system alignment (C)</p> Signup and view all the answers

What maintenance task may be impacted if the GPS is not available?

<p>Aligning the Inertial Reference System (D)</p> Signup and view all the answers

Which situation could hinder effective navigation system maintenance?

<p>Lack of knowledge regarding coordinate referencing (D)</p> Signup and view all the answers

Where are the ADIRUs installed in the aircraft?

<p>Avionics compartment (A)</p> Signup and view all the answers

Which component must be removed to access ADIRU 1 and 2?

<p>Floor 122JF (B)</p> Signup and view all the answers

What is a potential consequence of aligning ADIRS without knowing airport coordinates?

<p>Increased time duration due to misalignment (A)</p> Signup and view all the answers

In the absence of usual airport coordinates, what should be done to align the ADIRS effectively?

<p>Utilize backup systems for verification (A)</p> Signup and view all the answers

Where is the ADIRS MSU (Mode Selector Unit) located?

<p>On the overhead panel, left hand side (B)</p> Signup and view all the answers

How many ADIRUs are installed in the system?

<p>Three (D)</p> Signup and view all the answers

Which operational challenge could arise during line maintenance of navigation systems?

<p>Lack of clear reference for airport coordinates (D)</p> Signup and view all the answers

What must be removed to access the 800 VU rack?

<p>Floor 122JF (C)</p> Signup and view all the answers

What is the primary reason for needing airport point coordinates during ADIRS alignment?

<p>To achieve proper configuration and reduce alignment time (C)</p> Signup and view all the answers

What does the term 'ADIRS' stand for?

<p>Air Data Inertial Reference System (B)</p> Signup and view all the answers

What is the primary role of the ADIRU in aircraft navigation?

<p>To supply inertial reference and air data for navigation (A)</p> Signup and view all the answers

Which of the following best describes access to ADIRU 1 and 2?

<p>Requires the removal of the floor 122JF (B)</p> Signup and view all the answers

Where are the ADIRUs specifically located in the aircraft?

<p>In the avionics compartment (D)</p> Signup and view all the answers

What type of data do the ADIRUs primarily compute from their sensors?

<p>Inertial data (A)</p> Signup and view all the answers

Which two ADIRUs can be accessed by removing the same floor panel?

<p>ADIRU 1 and 2 (D)</p> Signup and view all the answers

Which system receives information from the ADIRUs for standby display?

<p>Integrated Standby Instrument System (ISIS) (C)</p> Signup and view all the answers

What is a notable feature mentioned about the ADIRS batteries?

<p>They are not specifically defined. (A)</p> Signup and view all the answers

What happens to the ADIRS when IR 1 fails during switching?

<p>The schematic shows the effect of the failure. (D)</p> Signup and view all the answers

What types of sensors are involved in the operation of ADIRUs?

<p>Laser gyros and accelerometers (B)</p> Signup and view all the answers

Which of the following is a potential consequence of switching adirs?

<p>It may lead to temporary loss of navigation data. (B)</p> Signup and view all the answers

Where is the data computed by ADIRUs displayed?

<p>To the crew and sent to other A/C systems (A)</p> Signup and view all the answers

What role does the schematic play when demonstrating IR 1 failure?

<p>It highlights failure points for pilot decision making. (B)</p> Signup and view all the answers

What primary function does the ADIRU provide in the navigation system?

<p>Calculates inertial navigation data (A)</p> Signup and view all the answers

In what context is ADIRS switching specifically relevant?

<p>When encountering navigation discrepancies. (D)</p> Signup and view all the answers

How is the information from ADIRUs shared with other aircraft systems?

<p>Sent automatically to the MCDU and other A/C systems (C)</p> Signup and view all the answers

What is indicated about ADIRS switching in the provided content?

<p>It can reveal the consequences of IR failures. (C)</p> Signup and view all the answers

In what context is the term 'ADIRUs' used?

<p>As an Inertial Reference Unit system (C)</p> Signup and view all the answers

Why is understanding ADIRS switching important for pilots?

<p>To prepare for unexpected system failures. (C)</p> Signup and view all the answers

What does the content imply about the training related to ADIRS?

<p>Practical exercises demonstrate system behaviors. (B)</p> Signup and view all the answers

What is a potential challenge faced during ADIRS switching?

<p>Navigation data may become inconsistent. (D)</p> Signup and view all the answers

What information can typically be found on the header of the Post Flight Report (PFR)?

<p>Origin-destination city pair (C)</p> Signup and view all the answers

How should the destination city code be entered in the MCDU for alignment purposes?

<p>In both 'FROM' and 'TO' fields with a slash (A)</p> Signup and view all the answers

What is the first step to ensure the Air Data Module (ADM) is correctly attached?

<p>Check visibility of the blue ring (A)</p> Signup and view all the answers

What should be displayed after successfully entering the destination city in the MCDU?

<p>The IRS alignment prompt (B)</p> Signup and view all the answers

What does pulling the blue ring on the ADM coupling indicate?

<p>It ensures correct attachment (D)</p> Signup and view all the answers

In the context of MCDU configuration, how are the latitude and longitude data typically retrieved?

<p>By printing the Post Flight Report (B)</p> Signup and view all the answers

What must the user confirm to ensure the ADM coupling is secure?

<p>The blue ring is visible (D)</p> Signup and view all the answers

Which of the following best describes the format for entering the city code into the MCDU INIT page?

<p>A four-letter city code with hyphens (D)</p> Signup and view all the answers

What type of information can the flight crew request through the ATIS?

<p>Runway surface conditions and meteorological parameters (B)</p> Signup and view all the answers

Which statement about the AOC MENU pages is correct?

<p>They are customized by the airline to fit specific needs. (C)</p> Signup and view all the answers

What is NOT included in ATIS information requested by the flight crew?

<p>Passenger boarding status and gate assignments (D)</p> Signup and view all the answers

Why might the flight crew need ATIS information before landing?

<p>To assess runway and weather conditions affecting the landing (D)</p> Signup and view all the answers

Which of the following is an example of a meteorological parameter included in the ATIS?

<p>Wind direction and visibility (C)</p> Signup and view all the answers

What does the abbreviation ATIS stand for in aviation communication?

<p>Automatic Terminal Information Service (C)</p> Signup and view all the answers

Which condition regarding runway surface is typically communicated in ATIS information?

<p>Current weather impacting runway viability (D)</p> Signup and view all the answers

In what context are approach procedures mentioned with respect to the ATIS?

<p>They assist pilots in navigating during landing phases. (A)</p> Signup and view all the answers

What is one of the features accessible from the AOC MENU by maintenance personnel?

<p>CMC PROGRAMMING page (B)</p> Signup and view all the answers

Which option reflects a possible status setting for CMC BITE data as viewed on the CMC PROGRAMMING page?

<p>ENABLED (C)</p> Signup and view all the answers

What must be done after the installation of an empty ATSU according to the procedures?

<p>Loading of the ATSU software (B)</p> Signup and view all the answers

What is displayed on the SYSTEM CONFIG page accessible from the AOC MENU?

<p>Floppy disk identification numbers (B)</p> Signup and view all the answers

Which of the following is NOT a type of data that can be customized by the flight crew via the AOC MENU?

<p>Staff operational hours (D)</p> Signup and view all the answers

Which status change can maintenance personnel make on the CMC PROGRAMMING page?

<p>Enable or disable system warnings (A)</p> Signup and view all the answers

What are maintenance personnel likely to check regarding the CMC before conducting maintenance?

<p>CMC BITE data transmission status (A)</p> Signup and view all the answers

What action is NOT required during the initialization of the ATSU?

<p>Conducting a safety briefing (C)</p> Signup and view all the answers

When accessing the AOC MENU, what type of operational data can the flight crew send to the AOC center?

<p>Operational/administrative data (D)</p> Signup and view all the answers

Which describes the relationship between the AOC database and the SYSTEM CONFIG page?

<p>Software part numbers are related to the AOC database (C)</p> Signup and view all the answers

What should be confirmed on the VHF3 DATA MODE page before conducting a link test?

<p>The active Service Provider must be in AUTO mode. (B)</p> Signup and view all the answers

Which indication must be visible before proceeding with the VHF3 link test?

<p>'DLK AVAIL' indication below the VHF3 indication. (A)</p> Signup and view all the answers

In the process of testing the VHF3 link, what should occur after pushing the REQUEST VHF3 LINK key?

<p>The OK indication must appear at the end of the test. (D)</p> Signup and view all the answers

Which of the following is NOT a step mentioned to perform the VHF3 link test?

<p>Reset the system before starting the test. (B)</p> Signup and view all the answers

What status indication is specifically checked on the DATALINK STATUS page during the procedure?

<p>'DLK AVAIL' indication showing data link availability. (A)</p> Signup and view all the answers

How should the DATALINK STATUS indication appear for the link test to proceed?

<p>The indication must show 'DLK AVAIL' under the VHF3 indication. (B)</p> Signup and view all the answers

What screens must be displayed on the DCDUs during the system test from the MCDU?

<p>COLOR, BLACK/WHITE, and WHITE/BLACK (A)</p> Signup and view all the answers

What does the presence of the OK indication at the end of the test signify?

<p>The VHF3 link test was successful. (B)</p> Signup and view all the answers

What is indicated if the 'DLK AVAIL' status is not present during the link test preparation?

<p>The link test must be postponed due to unavailability. (A)</p> Signup and view all the answers

What is the sixth task in the sequence of tests for the ATSU?

<p>VHF3 Link Test (B)</p> Signup and view all the answers

What is the first check required on the VHF3 DATA MODE page before initiating the link test?

<p>Ensure the active Service Provider is in AUTO mode. (C)</p> Signup and view all the answers

During the system test from the MCDU, which page is utilized to initiate the test?

<p>ATIMS REPORT/TEST page (C)</p> Signup and view all the answers

How many different test screens are displayed during the MCDU system test?

<p>Three (D)</p> Signup and view all the answers

What is the significance of displaying the WHITE/BLACK screen during the system test?

<p>It confirms the screen's capability to switch color modes. (A)</p> Signup and view all the answers

Which task comes before the VHF3 link test during the ATSU BITE test?

<p>VHF2 Link Test (D)</p> Signup and view all the answers

What training course is cited alongside the ATIMS BASE MAINTENANCE training?

<p>Mechanical &amp; Avionics Course (B)</p> Signup and view all the answers

What kind of maintenance document is referenced in the content?

<p>Technical Training Manual (C)</p> Signup and view all the answers

What happens if the ATSU is not automatically initialized after the software loading operation?

<p>An ECAM warning appears indicating ATSU INIT FAULT. (A)</p> Signup and view all the answers

Which components must be confirmed on the COMM CONFIG page during the initialization of the ATSU?

<p>A/C ICAO code and registration number. (A)</p> Signup and view all the answers

How long does it take to load a full floppy disk for the software operation?

<p>12 minutes (A)</p> Signup and view all the answers

What information is necessary for the A/L IDENT entry on the COMM CONFIG page during ATSU initialization?

<p>The 3-character airline code. (B)</p> Signup and view all the answers

What must be done if the ATSU initialization does not occur automatically after software loading?

<p>Manually initiate the ATSU initialization. (A)</p> Signup and view all the answers

What does the MULTICAST code represent during the initialization process?

<p>The unique aircraft identification code. (C)</p> Signup and view all the answers

What does a completed software loading operation prompt in regards to the ATSU if initialization is not executed?

<p>ECAM warning indicating ATSU FAULT. (D)</p> Signup and view all the answers

In an ATSU initialization scenario, what information must be entered following the aircraft ICAO code?

<p>2-character operator code. (A)</p> Signup and view all the answers

What is the outcome if the incorrect 3-character A/L IDENT is entered during ATSU initialization?

<p>No initialization occurs, causing a fault warning. (B)</p> Signup and view all the answers

Which part of the ATSU loading operation is performed using floppy disks?

<p>Software loading sequence. (B)</p> Signup and view all the answers

What should be verified regarding the P/Ns on the floppy disk and MCDU?

<p>They should match to confirm software integrity. (A)</p> Signup and view all the answers

Which software check is performed from the MCDU's SYSTEM CONFIG page?

<p>AOC software check (B)</p> Signup and view all the answers

What is the significance of conducting a BITE test of the ATSU?

<p>It ensures the software loaded in the ATSU is correct. (A)</p> Signup and view all the answers

Which operational software details are accessed through a specific page in the MCDU?

<p>SOFTWARE STATUS/XLOAD indication (D)</p> Signup and view all the answers

What is indicated by a matching P/N status during ASCU checks?

<p>The system is operating in normal conditions. (A)</p> Signup and view all the answers

What does the presence of multiple confirmations of P/Ns on floppy disks imply?

<p>Higher reliability of software compatibility. (B)</p> Signup and view all the answers

Which step follows checking the P/Ns on floppy disks for ensuring proper uploading?

<p>Opening the RESET panel before uploading. (B)</p> Signup and view all the answers

In what context is the term 'BITE test' relevant?

<p>Diagnostic check of the ATSU. (A)</p> Signup and view all the answers

When conducting a software check on the MCDU, which P/N is primarily focused on?

<p>P/N concerning the ATSU and ATC software. (C)</p> Signup and view all the answers

What is the expected outcome if the P/N on the disk matches the displayed P/N on the MCDU?

<p>No further action is required regarding the software. (A)</p> Signup and view all the answers

What key function does the ATSU software perform?

<p>Manages data link communication for the ATSU (A)</p> Signup and view all the answers

Which component provides the aircraft's ICAO code to the ATSU?

<p>ATC transponders (C)</p> Signup and view all the answers

What alerts are triggered by the Flight Warning Computers when an ATC message is received?

<p>Visual and auditory alerts through the Alarm Management Unit (D)</p> Signup and view all the answers

What is the primary function of the AOC software?

<p>To facilitate aircraft communications with AOC centers (C)</p> Signup and view all the answers

Which device allows the flight crew to edit and display messages exchanged with ATC?

<p>Multi-Function Control Display Unit (D)</p> Signup and view all the answers

How does the ATSU interface with the ground?

<p>Through various data radios and an SDU (C)</p> Signup and view all the answers

What does the MCDU allow the crew to access concerning system settings?

<p>Access the communication system settings and status (B)</p> Signup and view all the answers

Which software is primarily concerned with managing communications with ATC centers?

<p>ATC software (A)</p> Signup and view all the answers

What should be ensured regarding the Service Provider mode on the VHF3 DATA MODE page?

<p>It should be in AUTO mode. (B)</p> Signup and view all the answers

What does the 'DLK AVAIL' indication on the DATALINK STATUS page signify?

<p>The Datalink is available and operational. (C)</p> Signup and view all the answers

Which action is required on the TEST page to validate the VHF3 LINK?

<p>Push the key adjacent to the REQUEST VHF3 LINK indication. (C)</p> Signup and view all the answers

What should be confirmed at the end of the VHF3 LINK test on the TEST page?

<p>The 'OK' indication is displayed. (B)</p> Signup and view all the answers

What occurs if the 'DLK AVAIL' indication is not displayed below the VHF3 indication?

<p>Datalink services are unavailable. (A)</p> Signup and view all the answers

What is the expected behavior after performing the VHF3 LINK TEST?

<p>It should display a summary of the test results. (D)</p> Signup and view all the answers

Which page must be accessed to check the status of the Datalink?

<p>DATALINK STATUS page (D)</p> Signup and view all the answers

What steps should be followed to initiate the VHF3 LINK TEST properly?

<p>Ensure AUTO mode and check Datalink status. (A)</p> Signup and view all the answers

What is the significance of checking the VHF3 DATA MODE before performing the LINK TEST?

<p>To verify the active service provider mode. (A)</p> Signup and view all the answers

In what scenario should the 'OK' indication not be expected at the end of the VHF3 LINK TEST?

<p>The VHF3 LINK request was not initiated. (A)</p> Signup and view all the answers

What is the first required step after installing an empty ATSU?

<p>Loading of the ATSU software (B)</p> Signup and view all the answers

Which data can be monitored on the CMC PROGRAMMING page?

<p>Transmission status of CMC BITE data (D)</p> Signup and view all the answers

What information is displayed on the SYSTEM CONFIG page?

<p>AOC database and software part numbers (B)</p> Signup and view all the answers

What can maintenance personnel do on the CMC PROGRAMMING page?

<p>Enable or disable CMC data transmission (A)</p> Signup and view all the answers

Which statement accurately describes the functionality of the AOC MENU?

<p>It allows editing of messages sent to the AOC center. (C)</p> Signup and view all the answers

What feature allows personnel to change the status of data transmission on the CMC PROGRAMMING page?

<p>Enable/Disable toggle (A)</p> Signup and view all the answers

What does not need to be done if the ATSU is already initialized?

<p>Load ATSU software again (C)</p> Signup and view all the answers

Which type of data is typically sent to the AOC center through the AOC MENU?

<p>Operational and administrative data (C)</p> Signup and view all the answers

What does the CMC stand for in the context of the programming page?

<p>Central Maintenance Computer (B)</p> Signup and view all the answers

Which of the following statements is true about the AOC MENU's role for maintenance personnel?

<p>It allows access to CMC PROGRAMMING and SYSTEM CONFIG. (C)</p> Signup and view all the answers

What does the DATA indication on the active window of the RMP signify?

<p>The ATSU is in control of VDR 3. (C)</p> Signup and view all the answers

Which of the following is NOT an application of ATSU's hosted AOC software?

<p>Managing navigation systems for the flight. (A)</p> Signup and view all the answers

From which source does the ATSU receive UTC time and date?

<p>The clock. (B)</p> Signup and view all the answers

What functionality is provided by the ATSU/Flight Management Guidance and Envelope Computers (FMGECs)?

<p>They exchange flight operational data. (B)</p> Signup and view all the answers

Which data parameter is necessary for the AOC software's operational data acquisition?

<p>Fuel on board. (A)</p> Signup and view all the answers

Which of the following does the EW/D display related to the ATSU status?

<p>Warnings pertaining to communication failures. (B)</p> Signup and view all the answers

What kind of data do the DMCs provide to the ATSU?

<p>Broadcasted operational data. (A)</p> Signup and view all the answers

When the flight crew activates the 'ATC MSG' P/B, what happens?

<p>Visual and aural alerts are reset. (C)</p> Signup and view all the answers

What is the purpose of the ATSU/Central Maintenance Computer (CMC) interface?

<p>To provide maintenance crew access to failure data (B)</p> Signup and view all the answers

How does the ATSU load software/database into its system?

<p>Via a multipurpose disk drive unit interface (A)</p> Signup and view all the answers

What function does the ATSU reset switch serve in the cockpit?

<p>To perform a software reset of the ATSU (B)</p> Signup and view all the answers

What type of data does the ATSU send to the printer?

<p>Printable data from system processes (D)</p> Signup and view all the answers

Which interface is used by the ATSU for cabin administrative data exchanges?

<p>ATSU/Cabin Terminal (CT) (B)</p> Signup and view all the answers

What role does the ATSU/Flight Data Interface and Management Unit (FDIMU) play?

<p>It provides uplink requests and downlink reports for flight performance (B)</p> Signup and view all the answers

What is the function of the Multi-Mode Receiver (MMR) in relation to the ATSU?

<p>To provide GPS time to the ATSU (A)</p> Signup and view all the answers

What is the primary function of the ATSU software uploads?

<p>To ensure the ATSU operates with the latest system data (B)</p> Signup and view all the answers

What is the loading time for a full disk during the uploading operation?

<p>10 minutes (B)</p> Signup and view all the answers

Which software must be uploaded first to prevent erasure of critical applications?

<p>Air Traffic Service Unit (ATSU) A/C INTERFACE software (B)</p> Signup and view all the answers

What should NOT be changed during the software uploading process?

<p>Aircraft power source (C)</p> Signup and view all the answers

What is the fourth task in the check process of the ATSU?

<p>P/N check of software and database (D)</p> Signup and view all the answers

Which piece of equipment must not be operated during the software upload?

<p>Both A and B (D)</p> Signup and view all the answers

What caution is primarily addressed in the instructions for software uploading?

<p>Preventing erasure of vital software (B)</p> Signup and view all the answers

What action must be taken if the P/N on the disk matches the displayed P/N?

<p>Do not upload (D)</p> Signup and view all the answers

What type of software must be verified for functionality after uploading?

<p>Airline Operations Control (AOC) software (B), Air Traffic Control (ATC) software (D)</p> Signup and view all the answers

What is the potential consequence of operating the DLS and MDDU during uploading?

<p>Software corruption (D)</p> Signup and view all the answers

What is the primary function of the COMM MENU within the MCDU?

<p>To control air/ground communication (A)</p> Signup and view all the answers

Which statement accurately describes the ATIMS architecture in the context of communication systems?

<p>ATIMS architecture integrates multiple communication interfaces (C)</p> Signup and view all the answers

In what context would the A330 RR Trent 700 technical training manual likely discuss MCDU menus?

<p>Aircraft communication configuration management (C)</p> Signup and view all the answers

Which of the following is NOT a feature associated with the COMM MENU in the MCDU?

<p>Navigation route planning functionality (D)</p> Signup and view all the answers

What is one of the primary objectives of the MECHANICAL & AVIONICS COURSE related to MCDU?

<p>Learning data entry for flight preparation (D)</p> Signup and view all the answers

What action does the flight crew initiate by pushing the 'ATC MSG' P/B?

<p>Reset of visual and aural alerts (C)</p> Signup and view all the answers

What is displayed on the active window of an RMP when the ATSU is controlling the VDR 3?

<p>DATA indication (C)</p> Signup and view all the answers

Which software applications does the ATSU interface with for flight operational data exchanges?

<p>Airline Operation Control (AOC) and ATC software (C)</p> Signup and view all the answers

What type of data does the ATSU receive from the DMCs necessary for its AOC software?

<p>Broadcasted data such as latitude and longitude (C)</p> Signup and view all the answers

What information does the ATSU receive from the clock to coordinate operations?

<p>Universal Time Coordinated (UTC) time (C)</p> Signup and view all the answers

What is included in the AOC hosted applications for the ATSU?

<p>Acquisition of operational data like fuel on board and flight number (A)</p> Signup and view all the answers

Which panel is used to show which entity controls the VDR 3?

<p>ATSU/Radio Management Panels (RMP) (D)</p> Signup and view all the answers

What type of warnings does the EW/D display related to communication systems?

<p>Warnings concerning ATSU status (B)</p> Signup and view all the answers

What function does the ATSU/Central Maintenance Computer (CMC) interface serve?

<p>It allows maintenance crew to access failure data. (C)</p> Signup and view all the answers

What is the role of the ATSU/Multipurpose Disk Drive Unit (MDDU)?

<p>To load software and databases into the ATSU. (A)</p> Signup and view all the answers

Which of the following components is responsible for doing a software reset of the ATSU?

<p>ATSU reset switch (A)</p> Signup and view all the answers

How does the ATSU send data to the printer?

<p>Using the dedicated ATSU printer interface. (B)</p> Signup and view all the answers

What type of reports does the ATSU send in downlink requests?

<p>Aircraft Condition Monitoring System (ACMS) reports. (B)</p> Signup and view all the answers

Which system is used to upload ATSU software directly without needing to access the software interface?

<p>High-speed portable data loader (A)</p> Signup and view all the answers

For what purpose does the ATSU/Cabin Terminal (CT) interface serve when installed?

<p>Exchanging cabin administrative data. (D)</p> Signup and view all the answers

What does the ATSU/Flight Data Interface and Management Unit (FDIMU) interface specifically handle?

<p>Uplink requests and downlink ACMS reports. (D)</p> Signup and view all the answers

Which task is identified as the sixth task in the testing sequence of the ATSU?

<p>VHF3 link test (D)</p> Signup and view all the answers

Where is the system test initiated from in the aircraft system process?

<p>From the MCDU on the ATIMS REPORT/TEST page (A)</p> Signup and view all the answers

What is the main purpose of the Mechanical & Avionics Course referenced in the document?

<p>To train personnel on base maintenance procedures (D)</p> Signup and view all the answers

What kind of training services are highlighted in the referenced document?

<p>Deviation training services (D)</p> Signup and view all the answers

What revision number is noted in the document dated June 1, 2019?

<p>REV. 1 (B)</p> Signup and view all the answers

Which of the following is NOT a test screen mentioned for the system test?

<p>GREYSCALE (C)</p> Signup and view all the answers

What is the loading time for a full disk during the software loading operation?

<p>12 minutes (D)</p> Signup and view all the answers

What document indicates the technical training for the A330 RR Trent 700?

<p>A330 RR Trent 700 TECHNICAL TRAINING MANUAL (B)</p> Signup and view all the answers

What warning appears if the ATSU is not automatically initialized after loading software?

<p>DATALINK ATSU FAULT - ATSU INIT FAULT (C)</p> Signup and view all the answers

Which configuration must be checked on the COMM CONFIG page during ATSU initialization?

<p>A/C ICAO code and A/C registration number (A)</p> Signup and view all the answers

What follows the entry of the A/L IDENT code on the COMM CONFIG page?

<p>The MULTICAST code must be entered (D)</p> Signup and view all the answers

What must be adhered to during the software loading sequence?

<p>A set of instructions in the AMM (B)</p> Signup and view all the answers

What is the primary purpose of the ECAM warning after software loading?

<p>To alert that the ATSU needs initialization (B)</p> Signup and view all the answers

In the context of ATSU initialization, what does the MULTICAST code refer to?

<p>A code for broadcasting data to multiple systems (D)</p> Signup and view all the answers

Which of the following components is NOT required for initializing the ATSU?

<p>Maintenance manual (D)</p> Signup and view all the answers

What does the acronym ATSU stand for in this context?

<p>Aircraft Telecommunication System Unit (C)</p> Signup and view all the answers

What might indicate that a successful ATSU initialization has not occurred?

<p>Presence of the ATSU message on display (A)</p> Signup and view all the answers

What is the specified loading time for a full disk during the software uploading operation?

<p>10 minutes (D)</p> Signup and view all the answers

Which software must be uploaded first to avoid erasing critical application software?

<p>A/C INTERFACE software (D)</p> Signup and view all the answers

Which action is NOT recommended during the software uploading process?

<p>Operating the Data Loading Selector (B), Changing the A/C power source (C)</p> Signup and view all the answers

What is one of the tasks to check once the software is loaded in the ATSU?

<p>Performing a P/N check (A)</p> Signup and view all the answers

What is the consequence of not following the prescribed loading sequence for software in the ATSU?

<p>Potential software corruption (B)</p> Signup and view all the answers

Why is it critical not to operate the Multipurpose Disk Drive Unit (MDDU) during the upload?

<p>It risks erasing important application software. (D)</p> Signup and view all the answers

What might be a key indicator that the software upload has been successful?

<p>P/N matches with the displayed status (C)</p> Signup and view all the answers

What is NOT a precaution to prevent software erasure during upload?

<p>Changing the aircraft power source (C)</p> Signup and view all the answers

How long is the AOC database expected to be uploaded if following the standard procedure?

<p>10 minutes (A)</p> Signup and view all the answers

What could an operator incorrectly assume if they do not check the software loaded in the ATSU?

<p>The upload was successful. (D)</p> Signup and view all the answers

Flashcards

MCDU Initialization

Pilot use of the MCDU for flight preparation, including database selection, flight plan input, radio navigation, and performance data input (V1, VR, V2, FLEX TEMP, weights).

MCDU

Multi-purpose Crew Display Unit - A primary flight instrument panel used for flight planning and navigation.

Flight Plan Initialization

Setting up the flight plan on the MCDU.

V1

Decision speed for take-off, calculated by the MCDU.

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VR

Rotation speed for take-off, calculated by the MCDU.

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V2

Take-off reference speed, calculated by the MCDU.

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FLEX TEMP

Flexible temperature, an inputted performance parameter for the planned flight.

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Weights

Aircraft weight input for performance calculations, specified in flight planning.

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Software P/N mismatch

The software part number (P/N) displayed on the system status page must differ from the P/N on the floppy disk.

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Accessing A/C status page

To determine if software upload is needed, press the DATA mode key on the MCDU to view the aircraft status.

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Software status/XLOAD indication

Access the software status page to see if an XLOAD is needed.

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P/N XLOAD page

Software status page showing the part number for uploading.

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FM Operational software (page 2/6)

A specific software section accessed from page 1/6.

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Uploading not needed

If the software P/N on the system matches the P/N on the disk, no upload is required.

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MDDU/DLS

Device used for uploading software.

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Crossloading of data

Transferring data between different systems (FMGEC).

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FMGEC

System that receives the loaded software.

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Reset panel

Panel used to reset or configure the FMGEC system.

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FMGECs C/Bs

Circuit breakers for the FMGECs.

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Page 2/6

Second section related to the FM's operations.

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Data Mode Key

A key used to access the aircraft status information.

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Software Status Page

Page showcasing the status and details of software modules.

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P/N Reference

Part number reference used for system status or software retrieval.

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Aircraft Status Page

Page displaying the aircraft's current operational status

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MCDU INIT A Page

The initial page on the MCDU where flight plan data is entered and displayed before flight.

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A/C STATUS Page

A page on the MCDU that displays the plane's current status information, including its second data base.

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SECOND DATA BASE

An alternate data base on the MCDU that can be used to store flight plan information.

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ACTIVE DATA BASE

The primary data base currently in use on the MCDU.

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INIT Mode key

A key on the MCDU that initiates various functions, including erasure of the INIT A page.

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Flight Plan Deletion

The process of removing a flight plan from the MCDU INIT A page.

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Transpose Data

The process of swapping data between the active and second data bases.

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Flight Envelope

A defined set of flight conditions within which the aircraft is designed to operate safely.

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Auto Flight System (AFS)

A system that automates flight control and navigation functions.

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Speed Envelope

The range of safe speeds at which the aircraft can be flown.

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Abnormal Flight Conditions

Conditions that deviate from normal flight conditions, potentially impacting safety.

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Aircraft Parameters

Various data points about the aircraft, used by the Auto Flight System.

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Flight Plan Input

The process of entering the flight plan into the MCDU.

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Flight Envelope Protection

The system that monitors and protects the aircraft from exceeding its safe flight limits.

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FE Function

The part of the Flight Envelope Protection system that calculates the limits of the aircraft's performance.

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Alphafloor Detection

The FE function that warns the crew when the aircraft is approaching a dangerous angle of attack during landing.

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Windshear Detection

The FE function that alerts the crew of sudden changes in wind speed and direction, especially during takeoff or landing.

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Aft CG Detection

The FE function that monitors the balance of the aircraft to ensure it doesn't become too tail heavy.

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How many FMGECs are needed to trigger an alert?

Only one detection by either of the two FMGECs is enough to activate an alert.

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What does the FE function display?

It displays the aircraft's limit speeds on the PFD's speed scale.

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When is Windshear detection available?

During takeoff (below 250 feet RA) and approach (1300 feet RA to 50 feet RA).

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When is Alphafloor detection available?

From takeoff to 100 feet before landing.

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Aft CG Overshoot

The FE function monitors the aircraft's center of gravity (CG) to prevent it from exceeding aft limits. This is done independently of the FCMC. If the CG exceeds the aft caution limit, the FCMC stops fuel transfer during a specified time limit.

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Aft CG Warning

The FE function provides the Flight Warning Computers (FWCs) with a CG monitoring availability signal. If the CG exceeds the aft limit, the FE function sends an aft CG warning signal and an ECAM message to the FWCs. The warning and caution are computed independently of the FCMC using THS deflection.

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FE part

Flight Envelope Protection (FE) part of the aircraft system. It is responsible for monitoring and preventing overshoot of aft CG limits, providing warning signals, and acquiring Alphafloor detection/activation signals from the FCPC.

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THS Deflection

The deflection of the Thrust Reverser (THS) system is used by the FE to estimate CG and weight.

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Alphafloor

A safety feature that prevents the aircraft from exceeding its flight envelope. The FE part only acquires the Alphafloor detection/activation signal coming from the FCPC.

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What is the purpose of the FE function?

The FE function monitors and prevents overshoot of aft CG limits. It ensures the aircraft's center of gravity stays within safe operating boundaries.

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MCDU B/UP NAV

A backup navigation system available on the MCDU that supplies cross track error and bearing/distance/time to go information. It is activated through the 'SELECT NAV B/UP' prompt on the MCDU MENU page.

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BACK-UP F-PLN

A condensed version of the flight plan transferred from the FM to the MCDU when the backup navigation function is activated.

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MCDU B/UP NAV Activation

Activated by selecting the 'SELECT NAV B/UP' prompt on the MCDU MENU page and ensuring the FM SOURCE selector is set to NORM.

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MCDU B/UP NAV Deactivation

Deactivated if the FM Source selector is moved from the NORM position to either BACK-UP or another position.

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Back-Up Navigation Functions

Work independently of each other. Each MCDU (MCDU1 & MCDU2) has a separate BACK-UP NAV function.

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MCDU B/UP NAV limitations

Doesn't issue steering orders and the NAV mode can't be engaged. It only provides information for display purposes.

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MCDU transmits BACK-UP F-PLN to the NDs

The MCDU transmits the backup flight plan data to the Navigation Display (ND) for visualization.

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BACK-UP F-PLN Display on ND

The flight plan is displayed in dashed green on the ND. It shows waypoints and vectors related to the aircraft position, and automatically updates when a waypoint is reached.

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TO/GA gate

The thrust lever position for take-off and go-around maneuvers. It engages the take-off operational modes for yaw and longitudinal guidance.

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FLEX-MCT gate

The thrust lever position used for flexible temperature take-offs. It allows for reduced thrust during take-off, potentially saving fuel.

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A/THR Engagement

The Automatic Thrust function is engaged at the TO/GA gate. While engaged, it's not active during takeoff, waiting for the pilot to activate it.

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CLimB Gate

The thrust lever position recommended by the aircraft after reaching the thrust reduction altitude, allowing for a more efficient climb.

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RETARD Audio Message

The audio message that informs the pilots to reduce thrust levers to IDLE before touchdown.

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IDLE Gate

The thrust lever position for idle power, used before touchdown for reducing engine thrust.

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AP Engagement

The Autopilot (AP) can only be engaged 5 seconds after lift-off, preventing unintended engagement during takeoff.

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Speed Undershoot

A condition where the aircraft's speed falls below the minimum safe speed for the current configuration.

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Cross-loading

Cross-loading refers to transferring data from one FMGEC to another. It's like copying information from one computer to another.

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What are the key loadable elements for an FMGEC?

An FMGEC requires several loadable elements such as the Flight Management System (FMS) operational software, Performance and Navigation data bases, Operational control Configuration (OPC), and Airline Modifiable Information (AMI) configuration files. These elements work together to ensure the FMGEC functions correctly.

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What is the purpose of the Flight Management System software?

The Flight Management System (FMS) software is the core of the FMGEC. It performs complex calculations and interacts with various sensors and systems within the aircraft. It helps the pilots navigate and manage flight parameters.

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How often is the navigation database updated?

The navigation data base is updated periodically, usually every 28 days, to ensure accurate and up-to-date information for the FMGEC.

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What is the purpose of the OPC?

The Operational Control Configuration (OPC) helps define the aircraft's specific operational parameters and settings. It essentially tailors the FMGEC to meet the airline's and aircraft's specific operational requirements.

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What is the purpose of the AMI?

The Airline Modifiable Information (AMI) allows for airline-specific customizations. It helps tailor the FMGEC's functions to the airline's operational procedures and preferences.

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What does NORM position mean?

The NORM position on the FM source selector indicates that the FMGEC is using the primary data source for its operations.

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Why is it important to ensure the FM source selector is in the NORM position?

Ensuring the FM source selector is in the NORM position ensures stability and proper function of the FMGEC. Any deviation from the NORM position might lead to incorrect data or malfunctioning of the navigation and flight systems.

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MCDU F-PLN Page

The MCDU page that displays the active flight plan, including each leg, waypoint information, and computed course, time, and distance.

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F-PLN Revisions

Changes made to the flight plan, including waypoint insertion, deletion, and lateral leg sequencing.

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B/UP NAV Function

A backup navigation system on the MCDU that provides cross track error, bearing, distance, and time-to-go information.

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APProach FCU P/B

The selection of this function on the Approach Flight Control Unit allows the second AP to be engaged after the normal climb, cruise, and descent phases.

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Data Base Loading

The navigation and performance data base must be loaded and updated to keep the system functional.

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A/THR (Automatic Thrust)

The system that automatically controls engine thrust for various flight phases, like takeoff, climb, and landing. It helps optimize performance and reduce pilot workload.

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VMAXOP

The maximum operational speed limit for the aircraft, determined by operational factors and safety regulations.

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Windshear Warning

A warning triggered by the aircraft's systems when it detects a sudden change in wind speed and direction, especially during takeoff or landing.

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AFT Center of Gravity (CG)

The point at which the weight of the aircraft is evenly distributed, preventing the tail from dipping and causing instability.

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Flight Envelope Protection (FE)

A system that monitors the aircraft's flight conditions and flight parameters, ensuring it stays within the designed safe envelope.

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F Speed

Minimum flap retraction speed, available on the PFD after shock absorber extension and in flap positions 3 or 2.

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S Speed

Minimum slat retraction speed, available on the PFD after shock absorber extension and in flap position 1.

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Clean Configuration

Aircraft with all flaps and slats retracted, offering the least drag for high speeds.

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Flap Extended Speed (VFE)

Maximum speed permitted with flaps and slats extended, a safety limit.

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FM Source Selector

A switch on the FM control panel that determines the primary data source for the Flight Management System (FM).

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NORM Position

The default setting on the FM source selector, indicating that the FMGEC is using the primary data source for its operations.

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BACK-UP NAV Activation

The process of activating the backup navigation system on the MCDU, providing cross-track error, bearing, distance, and time-to-go information.

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HF System Components

The High Frequency (HF) system in an aircraft consists of two HFDR transceivers, two HFDR couplers, a shunt-type antenna, Radio Management Panels (RMPs), an Audio Management Unit (AMU), Audio Control Panels (ACPs), and acoustic equipment like microphones and loudspeakers.

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HFDR Coupler

A component that matches the impedance between the HF transceiver and the antenna, ensuring efficient signal transmission and reception.

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Shunt-Type Antenna

A type of antenna used in the HF system, where the antenna is connected in parallel with the transceiver.

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RMPs (Radio Management Panels)

Control panels that allow pilots to manage and configure the HF system, including selecting frequencies and adjusting volume.

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AMU (Audio Management Unit)

A component that manages and processes audio signals within the HF system, ensuring clear communication.

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ACPs (Audio Control Panels)

Panels that allow pilots to adjust audio levels and select audio sources within the HF system.

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Acoustic Equipment

The microphones, loudspeakers, and other devices that facilitate communication between the aircraft and ground stations.

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Side-Stick Radio Selectors

Controls located on the side-sticks that allow pilots to select and tune different frequencies.

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Log-in procedure

The process of connecting the aircraft's SDU to a satellite ground station for communication.

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Electronic bulletin board

A message sent from a satellite ground station to the aircraft containing system and communication information.

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What does the SDU check during log-in?

The SDU checks the quality of the signal from each ground station by measuring strength and bit error rate.

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What does the SDU do after the quality check?

The SDU selects the ground station with the best signal quality for the log-in.

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What does the ground station send during log-in?

The ground station sends an electronic bulletin board containing system table information and communications updates.

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Why does the aircraft need to log-in?

The aircraft needs to log-in to receive system updates and frequency information for communication.

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BITE

The Built-In Test Equipment (BITE) is a system within the aircraft that monitors its systems and detects failures, allowing for proactive maintenance. It communicates with the Central Maintenance Computers (CMCs) via ARINC 429 buses.

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ARINC 429 Bus

ARINC 429 is a common communication protocol used in aviation, enabling the BITE to transmit information to various systems like CMCs, transmitting various pieces of data about the aircraft's health.

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HF Transceiver

An HF Transceiver is a radio transceiver that operates within the high-frequency (HF) spectrum, allowing the aircraft to communicate with ground stations over long distances.

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BITE in Flight

The BITE plays a crucial role in flight, constantly monitoring aircraft systems for potential problems and providing alerts to the crew. It acts as the aircraft's internal health watch, alerting the crew about any issues.

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SELCAL Annunciation

Incoming calls to the flight crew are announced by the SELCAL buzzer (except in specific flight phases), and on the ACP by the flashing of the CALL legend for the related SATCOM channel.

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SATCOM CALL Display

When a ground-to-air call is received, the SATCOM MAIN MENU displays "GROUND TO AIR CALL" on the relevant channel (SAT1 or SAT2) along with the call's priority.

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SDU Signal Loss

If the SDU (Satellite Data Unit) detects signal degradation or loss, it tries to reconnect to the ground station. If there's no signal within 10 seconds, it switches to the next preferred ground station based on the ORT (Operational Readiness Test) and system table.

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SDU Log On Renewal

When the SDU re-logs onto a ground station in the same satellite region, it doesn't transmit flight information with the log-on request. This helps optimize communication.

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SDU BITE

The SDU communicates with the CMC (Central Maintenance Computer) for BITE (Built-In Test Equipment) purposes. This is used for monitoring and diagnosing the system's health.

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SATCOM Channel Selection

To answer an incoming call, the flight crew selects the SATCOM channel (either SAT1 or SAT2) on the ACP. The green line on the corresponding reception pushbutton switch indicates the channel is active and receiving.

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Ground to Passenger Calls

Ground-to-passenger calls are currently prohibited for safety reasons.

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ACP CALL Legend

The flashing of the CALL legend on the ACP (Audio Control Panel) indicates that an incoming call signal is being received by the aircraft.

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Cabin Interphone System

This system enables communication between all cabin crew stations and the cockpit via a cockpit handset or acoustic device.

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PA System

This system allows announcements to be made to passengers throughout the cabin.

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What is the purpose of the PA-CAB & Service Interphones?

They enable communication between the cockpit and all cabin crew stations, as well as allowing announcements to passengers.

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What is the purpose of the FMGEC?

The FMGEC is the brain of the aircraft's navigation and flight management system. It receives and processes data from various sensors and systems, enabling safe and efficient flight operations.

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What is the NORM position on the FM source selector?

It indicates that the FMGEC is relying on the primary data source for its operations.

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What's the purpose of the splitter in satellite communication systems?

The splitter distributes the transmitted (Tx) signal to both the high gain antenna system and the low gain antenna system.

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Combiner

A component that combines the received (Rx) signals from the two D/LNAs (Down/Low Noise Amplifiers) before sending them to the RFU (Radio Frequency Unit).

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What's the function of the HFDR coupler?

The HFDR coupler matches the impedance between the HF transceiver and the antenna, ensuring efficient signal transmission and reception.

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What are RMPs used for in the HF system?

RMPs (Radio Management Panels) are used for managing and configuring the HF system. This includes selecting frequencies and adjusting volume.

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VDR Transceiver Ports

The VDR transceivers have two serial input ports (A and B). Port A is used in normal operations, while Port B is used as a secondary port if RMP1 and RMP3 fail.

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PTT Key Line

A ground signal sent to the transceivers through the AMU that activates the transmission when pressed.

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VDR BITE System

The VDR transceiver is a type 1 BITE system. It sends a ground signal to the transceivers to indicate whether the aircraft is in flight with landing gear down or up.

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VHF Emitting Message

If a transmission lasts more than 1 minute, an amber message like "VHF1 EMITTING" is displayed on the EWD, indicating the VHF transceiver is actively transmitting.

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VHF Aural Warning

If a transmission lasts more than 30 seconds, the VHF transceiver emits an aural warning for 5 seconds, alerting the crew to the long transmission time.

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ATSU Connection

The VDR 3 transceiver is connected to the Air Traffic Service Unit (ATSU) for direct exchange of data between the aircraft and ground systems, such as flight reports or weather reports.

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Satellite Communication

A type of communication system that uses satellites to relay information between aircraft and ground stations.

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Outgoing Calls

Communication initiated from the aircraft to a ground station or another aircraft, using the satellite communication system.

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Rx Signal

The received signal from the satellite, carrying information from the ground station to the aircraft.

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Tx Signal

The transmitted signal from the aircraft to the satellite, containing information to be relayed to the ground station.

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L-band

A specific radio frequency range used for satellite communication, typically between 1 and 2 GHz.

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Ground Station

A facility on the ground that communicates with satellites, managing the relay of information between aircraft and ground.

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Amplifier

A component that strengthens the signal before transmitting it to the satellite, ensuring better reception.

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SELCAL

A selective calling system used to annunciate incoming calls to the flight crew.

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GROUND TO AIR CALL

A communication request initiated from the ground to a passenger on the aircraft.

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SATCOM CHANNEL

The communication channel used for satellite-based voice and data communication.

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High Gain Antenna

A powerful directional antenna used for high-speed data transmission and voice communication. It's designed for optimal reception and transmission in specific directions.

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Splitter

A device used to distribute the transmitted signal to both the high gain and low gain antenna systems.

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Omnidirectional

A characteristic of the LGA, meaning it can receive and transmit signals in all directions.

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Lights Main On/Off

A function on the FAP that controls the main cabin lights.

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LAV MAINT

A function on the FAP that turns on lavatory lights.

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SCREEN 30 sec LOCK

A function on the FAP that locks the touch function of the screen.

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RMPs

Radio Management Panels, control panels for managing the HF system.

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ADIRUs Location

The three ADIRUs are situated within the avionics compartment, requiring the removal of floor 122JF to access ADIRU 1 and 2.

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ADIRS MSU Panel Location

The ADIRS Mode Selector Unit (MSU) is installed on the overhead panel, positioned on the left-hand side.

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What is the purpose of the Back-Up Navigation function?

The backup navigation function on the MCDU provides cross-track error, bearing, distance, and time-to-go information as a backup.

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What is the purpose of the HFDR Coupler?

The HFDR Coupler ensures efficient signal transmission and reception in the HF system by matching the impedance between the HF transceiver and the antenna.

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What are RMPs (Radio Management Panels)?

Radio Management Panels allow pilots to manage and configure the HF system for communication, including selecting frequencies and adjusting volume.

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ADIRS initialization

The process of aligning the Air Data Inertial Reference System (ADIRS) using GPS data, which takes between 5 and 17 minutes depending on latitude.

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INIT page prompt message

A message that appears on the INIT page of the MCDU indicating that the ADIRS is ready for alignment after a specified time.

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Reference point coordinates

The specific geographical location of the departure airport, used for aligning the ADIRS.

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MCDU latitude and longitude keys

Keys on the MCDU INIT page that allow the operator to manually input the aircraft's position for aligning the ADIRS.

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ALIGN IRS prompt key

A key on the MCDU INIT page that must be pressed to initiate ADIRS alignment based on the entered latitude and longitude.

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ADIRU

Air Data Inertial Reference Unit, a crucial part of the aircraft's navigation system that combines inertial rotation rate data from laser gyros and linear acceleration data from accelerometers to provide accurate aircraft position, attitude, and heading information.

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IR Computation

The process of calculating the aircraft's inertial reference data, a crucial step in determining the aircraft's position and heading.

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Laser Gyros

Devices that measure the inertial rotation rate of the aircraft, crucial for determining heading and attitude.

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Accelerometers

Sensors that measure the aircraft's acceleration in three axes, providing vital information for determining position and speed.

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ADIRS Switching

The process of switching between different ADIRUs to ensure redundancy and backup in case of failure. If one unit malfunctions, the system automatically switches to a working ADIRU.

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FE (Flight Envelope Protection)

A system that monitors and protects the aircraft from exceeding its safe flight limits, and provides warnings to the pilots during critical situations.

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Post Flight Report (PFR)

A document that summarizes the details of a completed flight, including the origin and destination cities.

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MCDU Scratchpad

A line on the MCDU where pilots can input temporary information, like city codes, for flight planning.

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Align IRS

A process of aligning the aircraft's Inertial Reference System (IRS) with the current position, ensuring accurate navigation data.

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ADM Quick-Disconnect Coupling

A connection point on the Air Data Module (ADM) for quick and secure attachment of air data lines.

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Blue Ring on Coupling

A visual indicator on the ADM quick-disconnect coupling, ensuring proper attachment.

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Standby Pitot Probe

A backup pitot tube that provides airspeed information to the Standby Airspeed Indicator on the ISIS (Integrated Standby Instrument System) display.

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Angle of Attack (AOA) Sensor

A sensor that measures the angle between the aircraft's wing and the oncoming airflow, crucial for stability and control.

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AOA Sensor Redundancy

Each AOA sensor provides both a primary and a backup signal to each Air Data Inertial Reference Unit (ADIRU), ensuring reliable data even in case of sensor failure.

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Total Air Temperature (TAT) Sensor

A sensor that measures the total air temperature outside the aircraft, which is used for performance calculations.

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TAT Sensor Redundancy

Each TAT sensor has two independent sensing elements, providing redundant data and enhancing reliability.

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Air Data Module (ADM)

A module that receives data from static and pitot probes and transmits it to the ADIRU, providing crucial information for flight guidance.

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ADIRU Function

The Air Data Inertial Reference Unit (ADIRU) processes data from various sensors, including the AOA and TAT sensors, to provide information for flight guidance and navigation.

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MCDU Self-Test

The Multi-Purpose Crew Display Unit (MCDU) can activate a self-test for the AOA sensor, verifying its functionality.

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Alpha Probes

Another name for the Angle of Attack (AOA) sensors, which measure the angle between the aircraft's wing and the oncoming airflow.

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ISIS Standby Airspeed Indicator

A backup airspeed indicator that receives information from the standby pitot probe and is displayed on the ISIS (Integrated Standby Instrument System).

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GPS Input

The ADIRUs receive optional GPS information from the Multi Mode Receiver (MMR) for precise positioning, only available on certain aircraft models.

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ADIRU Outputs

The ADIRUs produce essential flight data like attitude, heading, angular rates, acceleration, vertical speed, aircraft position, and ground speed.

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ADIRU Backup Mode

The ADIRUs can switch to backup mode if the primary navigation system fails, providing basic attitude and heading data.

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ADIRU Interface

The ADIRUs are connected to various aircraft systems, including the Display Management Computers (DMCs) for displaying information on the PFD and ND.

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Auto-Alignment by GPS

The latest FMS versions allow for automatic ADIRU alignment using GPS data, simplifying the setup process.

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ADIRU Anemometric Data

The ADIRUs air data part provides anemometric information such as airspeed, Mach number, static and total temperature, and barometric altitude.

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What does ADIRUs compute?

ADIRUs compute both air data (like airspeed and altitude) and inertial data (like heading and acceleration) using information from sensors like airspeed indicators, altitude sensors, and inertial sensors (laser gyros and accelerometers).

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What is the ISIS?

The Integrated Standby Instrument System (ISIS) provides backup instrument displays in case of main flight instrument failures. It receives sensor data from ADIRUs and presents it to the crew.

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What is the role of ADIRUs in aircraft navigation?

ADIRUs are crucial for aircraft navigation. They integrate data from various sensors to determine the aircraft's position, heading, airspeed, and inertial data. This information is sent to various systems like the MCDU (Multi-Purpose Crew Display Unit) and other aircraft systems for navigation and control.

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Where does the processed data from ADIRUs go?

The data processed by ADIRUs is sent to two key places: the Multi-Purpose Crew Display Unit (MCDU) and the Integrated Standby Instrument System (ISIS). The MCDU displays the data for the crew, while ISIS serves as a backup instrument system.

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What is the purpose of the MCDU?

The Multi-Purpose Crew Display Unit (MCDU) acts as a primary flight instrument panel. It displays navigation information, flight data, and assists the crew in flight planning and management.

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What are the primary functions of ADIRUs?

ADIRUs are responsible for acquiring, processing, and transmitting air data and inertial data. This data is crucial for navigation and control, and is used to update the MCDU and other aircraft systems.

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What are ADIRS?

ADIRS refers to the Air Data Inertial Reference System, which encompasses ADIRUs and their associated systems. This system plays a vital role in providing reliable and accurate navigation information for aircraft.

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AFT CG

The center of gravity (CG) is the point where the weight of the aircraft is balanced. If it shifts too far aft (towards the tail), the aircraft can become unstable and difficult to control.

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ADIRS Alignment

Aligning the Air Data Inertial Reference Systems (ADIRS) by inputting the correct longitude and latitude values into the MCDU to synchronize the aircraft's navigation system.

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FROM/TO Fields

Fields on the INIT page of the MCDU where you enter the departure (FROM) and arrival (TO) city codes for navigation data input.

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ADM Pneumatic Connection

The connection point for the Air Data Module (ADM), a component responsible for providing vital atmospheric data to the aircraft.

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Blue Ring

A distinguishing feature on the ADM quick-disconnect coupling that indicates its proper attachment to the aircraft's system.

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ATIS Information

Automatic Terminal Information Service (ATIS) provides pre-recorded information about an airport, including runway in use, approach procedures, and weather conditions.

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ATC Menu

The 'ATC Menu' is a section of the aircraft's MCDU (Multi-Purpose Crew Display Unit) that allows pilots to access and manipulate information related to Air Traffic Control (ATC).

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AOC Menu

The 'AOC Menu' is a highly customized section of the aircraft's MCDU, tailored by the airline for specific operational procedures and information.

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CMC PROGRAMMING

A page within the AOC MENU that allows maintenance personnel to enable or disable the transmission of CMC BITE data, ECAM warnings, failures, and post-flight reports.

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SYSTEM CONFIG

A page within the AOC MENU that displays the AOC database and software part numbers, as well as the related floppy disk identification numbers.

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ATSU Software Loading

The process of installing software onto a newly installed empty Aircraft Transponder System Unit (ATSU).

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B/UP NAV Activation

The process of activating the backup navigation system on the MCDU, providing cross-track error, bearing, distance, and time-to-go information.

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COMM CONFIG Page

The page on the aircraft's control system where you can configure communication settings, including the aircraft's ICAO code and registration number.

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A/L IDENT Code

A 3-character code identifying the airline or operator, used in communication settings.

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MULTICAST Code

A code used for communication within a group of aircraft, usually consisting of airline code plus 4 digits.

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ECAM Warning

A warning displayed on the Electronic Centralized Aircraft Monitor (ECAM) system, alerting the crew of a potential issue.

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DATALINK ATSU FAULT

An ECAM warning indicating a problem with the ATSU's data link communication.

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ATSU INIT FAULT

An ECAM warning signaling a failure in the ATSU's initialization process.

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XLOAD

A term used to indicate that software needs to be uploaded to the system, signifying a software update.

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ATIMS REPORT/TEST page

The page on the MCDU used to perform system tests on the aircraft's information systems.

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BITE TEST

A self-test performed by the ATSU (Aircraft Transponder System Unit) to check its own functionality and diagnose any internal issues.

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VHF3 LINK TEST

A test of communication between the ATSU and the aircraft's radio system.

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Software P/N Check

Verifying that the software part number (P/N) displayed on the MCDU matches the P/N written on the floppy disk.

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ATSU BITE Test

A built-in test that checks the functionality of the Aircraft Transponder System Unit (ATSU).

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LRU Identification

A page on the MCDU within the ATIMS (Aircraft Transponder Information Management System) that provides information about the ATSU and ATC software.

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System Configuration

A page on the MCDU where you can check the software version of AOC (Aircraft Operational Control) software and database.

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BACK-UP NAV

A backup navigation system on the MCDU that provides basic navigation information when the primary system is unavailable.

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DLK AVAIL

An indication on the DATALINK STATUS page, indicating that the data link between the aircraft and ground stations is available and operational.

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REQUEST VHF3 LINK

A button on the MCDU's TEST page that initiates a test of the VHF3 communication link between the aircraft and ground stations.

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OK Indication

A visual indication on the MCDU's TEST page, confirming that the VHF3 LINK TEST was successful and the communication link is operational.

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DATA MODE

A mode on the MCDU (Multipurpose Crew Display Unit) that allows for access to various data pages, including the aircraft status and communication setup.

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Service Provider

A company or organization responsible for providing data link services, enabling communication between the aircraft and ground stations.

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AUTO Mode

A setting on the MCDU that automatically selects the optimal data link service provider based on available options and aircraft location.

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EW/D

A display that shows messages and calls received by the AOC center, VHF3 data communication status, and warnings related to the ATSU status.

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What is the purpose of DMCs?

Data Management Computers that provide the ATSU with broadcasted data used by its hosted AOC software. This allows for data about the latitude, longitude, and ground speed.

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ATC Transponder

An ATC transponder transmits the aircraft's ICAO code to the ATSU, allowing air traffic controllers to identify and track the aircraft.

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Flight Warning Computers (FWCs)

These computers generate visual (flashing P/Bs) and aural alerts when an important message from ATC or AOC centers is received by the ATSU.

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ATSU Software

This software is the operating system of the ATSU. It manages the data link communication system, ensuring data is correctly transmitted between the aircraft and ground stations.

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ATSU/FDIMU Interface

The ATSU connects to the Flight Data Interface and Management Unit (FDIMU) for flight performance data in uplink requests and downlink Aircraft Condition Monitoring System (ACMS) reports.

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ATSU/CMC Interface

The ATSU connects to the Central Maintenance Computer (CMC) for maintenance data. The CMC receives details about ATSU internal or detected external failures.

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ATSU/MDDU Interface

The ATSU uses this interface to load software and databases from the Multipurpose Disk Drive Unit (MDDU).

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ATSU/CT Interface

If installed, the ATSU connects to the Cabin Terminal (CT) for administrative data exchange in uplink requests and downlink reports.

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ATSU Reset Switch

A switch located in the cockpit on the reset panel allows for a software reset of the ATSU.

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MMR Time for ATSU

The Air Traffic System Unit (ATSU) receives GPS time from the Multi-Mode Receiver (MMR).

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ATSU Data Printing

The ATSU can send printable data to a printer.

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ATSU Software Upload

Software can be directly uploaded to the ATSU through a high-speed portable data loader via a connector in the avionics compartment.

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Software Uploading

The process of transferring software and database files to the aircraft's systems using floppy disks.

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Loading Sequence

The specific order in which software and database files must be loaded into the aircraft systems.

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ATSU (Air Traffic Service Unit)

The system in the aircraft that handles communication and data exchange with air traffic control.

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ATC (Air Traffic Control) software

The software that allows the aircraft to communicate with air traffic control.

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AOC (Airline Operational Control) software

The software that allows the aircraft to communicate with the airline's operational center.

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P/N Check

Verifying the part numbers of the software and database files loaded in the ATSU.

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MDDU (Multipurpose Disk Drive Unit)

A device used for loading software and data into the aircraft systems.

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DLS (Data Loading Selector)

A switch that controls the selection of the data source for the MDDU.

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FMGEC (Flight Management Guidance & Execution Computer)

The computer system that receives and processes the loaded software and database.

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DATALINK STATUS

A page on the MCDU that displays the status of the datalink communication system.

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TEST Page

A page on the MCDU specifically designed for testing various systems and functions.

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UTC time

Universal Time Coordinated (UTC) is a standardized time system used worldwide for aviation and other critical applications. It acts as a common reference point for coordinating flight operations and ensuring precise timing.

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Cabin Terminal (CT)

The Cabin Terminal (CT) is used for cabin administrative data exchanges. This allows for communication with the cabin crew and management of cabin-related data.

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ATSU Reset

The ATSU reset switch is used to perform a software reset of the ATSU. This can resolve minor software glitches or errors.

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System Test

A series of tests conducted to ensure the aircraft's information systems are functioning properly.

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COLOR, BLACK/WHITE and WHITE/BLACK

These are the different screen display modes that should be tested on the two DCDUs during a system test.

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GCL13151 - GEHT0M0 - FM46Y2BASEMCE02

This is a document reference code, indicating the specific document pertaining to the system test.

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Software Loading Sequence

The specific order in which software must be uploaded using floppy disks, ensuring proper functionality and preventing data loss.

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ATSU A/C INTERFACE Software

Software that enables communication between the Air Traffic Service Unit (ATSU) and the aircraft.

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Data Loading Selector (DLS)

Device used to select the specific drive and software to be uploaded.

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Multipurpose Disk Drive Unit (MDDU)

The device that reads and writes data from floppy disks.

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BACK-UP NAV Function

A backup navigation system on the Multipurpose Crew Display Unit (MCDU) that provides cross-track error, bearing, distance, and time-to-go information.

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Study Notes

A330-200/300 Differences from A318/A319/A320/A321 (CFM56/V2500) Training Manual - Autoflight

  • This manual is for training purposes only and should not be used for any other purpose
  • These notes are not updated

Auto Flight Line Maintenance Briefing (2)

  • This module describes the operational use of the Automatic Flight System (AFS) and the Flight Management Guidance and Envelope Computers (FMGECs) in normal operation
  • Aircraft control can be either automatic (AutoPilot (AP) or AutoTHRust (A/THR)) or manual (pilot action on side sticks or thrust levers)
  • Aircraft guidance can be either managed (targets provided by the Flight Management (FM) functional part) or selected (targets selected by the pilots through the FCU)
  • As soon as electrical power is available, the Flight Director (FD) is automatically engaged provided that the power-up test is successful
  • No FD guidance symbols are displayed on the EFIS PFDs until take-off

MCDU Initialization

  • Pilots use the MCDU for flight preparation, including choice of data base, flight plan initialization, radio navigation entries and checks, and performance data entry (V1, VR, V2, FLEX TEMP, and weights)
  • Entry of the flight plan and V2 into the MCDU is handled by the FM part and confirmed by related lights on the FCU; this indicates the system is in managed mode
  • Altitude is selected through the FCU

A/THR Engagement

  • A/THR engagement depends on the thrust lever positions for take-off (TO/GA gate or FLEX-MCT gate)
  • When the pilot moves the thrust levers to the TO/GA gate, the FMGECs engage take-off operational modes for yaw and longitudinal guidance
  • The A/THR function is engaged but not active
  • At the thrust reduction altitude, the FM part warns the pilot to set the thrust levers to the CLimB gate
  • The thrust levers typically will not leave this position until a "retard" audio cue, instructing the pilots to set the levers to the IDLE gate before touchdown

AP Engagement

  • Either AP can be engaged 5 seconds after lift-off, and only one AP can be engaged at a time
  • The last engaged AP is the last one disengaged
  • During the normal climb, cruise, and descent phases, the pilot can select automatic landing (through the APProach FCU P/B), initiating the engagement of a second AP
  • After touchdown and roll-out, APs remain engaged, controlling the aircraft's position on the runway centerline

Data Base Loading

  • Navigation and performance data base must be loaded and updated to maintain system operation
  • Navigation database is updated every 28 days
  • Uploading is done using the Multi-Purpose Disk Drive Unit (MDDU)

Uploading (With MDDU/DLS) and Crossloading of Data to the FMGEC

  • Make sure the FM source selector is in the NORM position
  • On the 135VU panel make sure the SWITCHING/FM selector is in the NORM position

Check of the Loadable Elements P/N

  • Check the software P/N reference on the P/N STATUS page and ensure it is different from the reference on the floppy disk; otherwise, uploading is not necessary
  • Push the DATA mode key on the MCDU to access the A/C STATUS page and select the desired software STATUS/XLOAD page
  • To access the FM operational software page, use the line key next to the NEXT PAGE on page 1/6

Uploading of the FMGEC

  • Open one of the two FMGEC circuit breakers for the Data Loading System (DLS)
  • Insert the related disk, close the corresponding FMGEC C/B
  • Monitor data transfer and check for completion. Deselect FMGEC via DLS and reset; verify the software P/N reference on the P/N STATUS page matches the disk's value

Crossloading Procedure

  • When the first FMGEC is uploaded, use the XLOAD function to load the opposite FMGEC.
  • Ensure the FMS1 and FMS2 P/Ns are different for crossloading
  • Reset the loaded FMGEC after crossloading and ensure both FMGECs are no longer in independent mode

Delete a Flight Plan from the MCDU Init A Page

  • Access the DATA INDEX page 1 (via the DATA mode key) then select A/C STATUS page
  • Go to SECOND DATA BASE (wait a few seconds until the date and line numbers transpose), the flight plan data will be deleted
  • Select SECOND DATA BASE again, verify the ACTIVE DATA BASE is valid, then press INIT to clear the init A page

Flight Envelope General Description (3)

  • In addition to acquiring aircraft parameters, the Flight Envelope function computes speeds and detects abnormal flight conditions

Flight Envelope Protection D/O (3)

  • The function detects abnormal flight configurations such as windshear and aft CG exceeding the limit
  • Detects windshear for 30 seconds after takeoff at altitudes below 250ft RA and from 1300 ft RA to 50 ft RA in approach
  • The system is inhibited in clean configuration; alphafloor acquisition is available from takeoff to a radio altitude of 100ft before landing
  • Backup system for Flight Management (FM) when both FM parts fail, providing limited flight information for ongoing flight
  • Activated via the "SELECT NAV B/UP" prompt on the MCDU MENU and remains active as long as the FM source selector stays in the NORM position.

Power Interruptions and Power-Up Tests D/O (3)

  • Interruption of under 10 ms has no effect on the system; only causing a momentary flash on the MCDU CRT
  • Interruptions between 10 ms and 200 ms result in a short power fail, and the system recovers automatically
  • Interruptions between 200 ms and 5 sec result in a long power fail, and the system requires complete initialization
  • Interruptions of over 5 seconds result in an automatic reset, rendering the system non-functional until the reset is canceled; this triggers a ground safety sequence for the computer.
  • Power-up tests are carried out after a power outage over 5 seconds, checking the system's functionality and sending an analysis to the Central Maintenance System(CMS).

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Description

Test your knowledge on the Multi-Control Display Unit (MCDU) and its essential functions in aircraft flight preparation. This quiz covers data entries, performance parameters, and the initialization process related to the MCDU. Enhance your understanding of aviation navigation systems and their significance in flight operations.

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