ADIRS Fast Realignment Quiz
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Questions and Answers

What is the first step the flight crew must take to perform a fast realignment of the ADIRS during transit or en-route stops?

  • Select from OFF to GND
  • Wait for 10 seconds
  • Select from NAV to OFF (correct)
  • Select from OFF to NAV

    • Which navigation system is specifically mentioned for fast realignment in the content?

  • FMS
  • GPS
  • ADIRS (correct)
  • ILS

    • Which option describes the time frame within which the flight crew must use the fast realignment method?

  • Within 10 seconds
  • Before 15 seconds
  • Within 5 seconds (correct)
  • After 5 seconds

    • During which scenario is the fast realignment of the ADIRS applicable?

    <p>During transit or en-route stops</p> Signup and view all the answers

    What occurs immediately after the ADIRS is switched from NAV to OFF in the fast realignment process?

    <p>The system should be switched back to NAV</p> Signup and view all the answers

    What kind of training document is referenced for the ADIRS realignment?

    <p>Technical manual</p> Signup and view all the answers

    What does the abbreviation ADIRS stand for?

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

    In the context of fast realignment, what is a critical requirement for the duration of switch selections?

    <p>The switches must be toggled quickly</p> Signup and view all the answers

    What components make up the Air Data and Inertial Reference System (ADIRS)?

    <p>Three identical ADIRUs and one ADIRS Mode Selector Unit</p> Signup and view all the answers

    What type of data do the air data and inertial reference units compute?

    <p>Air data and inertial data using internal sensors</p> Signup and view all the answers

    How is the information computed by the ADIRUs utilized within the aircraft systems?

    <p>Used to inform the crew and sent to multiple aircraft systems</p> Signup and view all the answers

    Which system receives standby display information from the sensors of the ADIRS?

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

    How many Air Data and Inertial Reference Units (ADIRUs) are present in the ADIRS?

    <p>Three identical ADIRUs</p> Signup and view all the answers

    What issue may arise if the airport point coordinates are unknown during ADIRS alignment?

    <p>Alignment time may significantly increase.</p> Signup and view all the answers

    When might reliance on GPS not be viable?

    <p>When the GPS is not available.</p> Signup and view all the answers

    How can maintenance tasks be affected by the absence of GPS?

    <p>It can slow down the alignment process.</p> Signup and view all the answers

    What is an essential factor to consider when performing navigation system maintenance?

    <p>Knowing the airport point coordinates.</p> Signup and view all the answers

    What could be a consequence of excessive motion during ADIRS alignment?

    <p>Potential failure of the navigational aids.</p> Signup and view all the answers

    Why is time management critical in navigation system maintenance?

    <p>It prevents unnecessary delays in aircraft readiness.</p> Signup and view all the answers

    What may lead to an interruption during alignment in the navigation system?

    <p>Insufficient power supply to systems.</p> Signup and view all the answers

    What is a recommended practice when GPS is unavailable during navigation system maintenance?

    <p>Use alternative navigation devices.</p> Signup and view all the answers

    What happens when excessive motion is detected during the alignment process?

    <p>The ADIRUs stop the alignment and revert to the beginning.</p> Signup and view all the answers

    What is the test threshold for latitude and longitude during the initial position check?

    <p>1°</p> Signup and view all the answers

    What must occur if the entered latitude does not match the self-computed latitude at the end of the alignment?

    <p>A message prompts for the insertion of the present position.</p> Signup and view all the answers

    How long does the ADIRUs take to begin a complete new alignment after motion detection?

    <p>10 minutes</p> Signup and view all the answers

    What is the maximum step input threshold for motion detection during alignment?

    <p>0.5 ft/s</p> Signup and view all the answers

    What does the system do if the same out-of-threshold position is entered twice?

    <p>Accepts it as a deliberate choice.</p> Signup and view all the answers

    When does the IRS alignment become necessary based on position entry?

    <p>If there is a position entry that fails to pass the test.</p> Signup and view all the answers

    Which of the following statements about the ADIRUs re-initialization process is incorrect?

    <p>Only one attempt at entering a new position is allowed after an alignment error.</p> Signup and view all the answers

    What is the role of ISIS in relation to the Central Maintenance Computer (CMC)?

    <p>It is used for BITE status interrogation.</p> Signup and view all the answers

    Which of the following describes the access method for maintenance and test menus on the instrument?

    <p>They are accessible using the keys on the front face.</p> Signup and view all the answers

    Where is the Integrated Standby Instrument System (ISIS) installed?

    <p>On the main instruments panel, captain side</p> Signup and view all the answers

    What role does the Standby Compass serve in the cockpit?

    <p>To provide the flight crew with the magnetic heading</p> Signup and view all the answers

    In the context of avionics training, which components are indicated to have general descriptions?

    <p>ADIRS and standby instruments</p> Signup and view all the answers

    How is the Standby Compass attached in the aircraft?

    <p>By two screws below the overhead panel</p> Signup and view all the answers

    How does the FMGEC control its side receivers?

    <p>Via its own side RMP.</p> Signup and view all the answers

    Which technical manual includes information about the A330 RR Trent 700?

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

    What is the main subject of the course indicated in the content?

    <p>Aircraft navigation systems</p> Signup and view all the answers

    Which of the following systems is involved in the process of maintenance and test capabilities for the instruments?

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

    What type of training course does the document refer to?

    <p>Mechanical and avionics training</p> Signup and view all the answers

    What is the purpose of the course titled 'NAVIGATION SYSTEM LINE MAINTENANCE (2)'?

    <p>To provide maintenance protocols for navigation systems</p> Signup and view all the answers

    What is the primary function of the keys on the front face of the instrument?

    <p>Accessing maintenance and test menus</p> Signup and view all the answers

    What does 'BITE' stand for in the context of aircraft systems?

    <p>Built-In Test Equipment</p> Signup and view all the answers

    Which designation appears on the course description of the navigation system?

    <p>B1/B2_A330_DIFF_FR_A320</p> Signup and view all the answers

    What is indicated by the phrase 'FOR TRAINING PURPOSES ONLY' in the document?

    <p>The document is not valid for official use in aircraft operations.</p> Signup and view all the answers

    What area on the backup altitude scale indicates safe operational speeds?

    <p>Green area</p> Signup and view all the answers

    What is indicated by the GPS ALT flag on the backup altitude scale?

    <p>GPS altitude replacing barometric altitude</p> Signup and view all the answers

    What do the amber dashes indicate on the backup altitude scale?

    <p>Degraded altitude display mode</p> Signup and view all the answers

    What is the significance of the red areas on the backup altitude scale?

    <p>Indicates stall speed range</p> Signup and view all the answers

    How does the air data monitoring function ensure safety during flight?

    <p>By enabling thrust and pitch adjustments for safe speeds</p> Signup and view all the answers

    What is the maximum operational altitude for the ISIS without affecting altimeter data?

    <p>55,000 ft</p> Signup and view all the answers

    Which power supply is primarily used to supply the ISIS?

    <p>28V DC</p> Signup and view all the answers

    What occurs automatically if the ESSential BUS bar fails?

    <p>The HOT BUS bar takes over</p> Signup and view all the answers

    What range of horizon data can the ISIS operate within?

    <p>-180 to +180 degrees</p> Signup and view all the answers

    Which of the following is NOT a characteristic of the ISIS system?

    <p>Supplied with 28V AC</p> Signup and view all the answers

    What must be confirmed visually before connecting the Air Data Module (ADM) quick-disconnect coupling?

    <p>The presence of a blue ring on the coupling</p> Signup and view all the answers

    When entering the destination city codes in the INIT page, what format should be followed?

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

    What does the ALIGN IRS prompt do in the navigation system?

    <p>Realigns the Inertial Reference System based on new inputs</p> Signup and view all the answers

    Which of the following is NOT a reason for printing out the Post Flight Report (PFR)?

    <p>To check the mechanical systems of the aircraft</p> Signup and view all the answers

    What is the role of the Nav system in relation to the Air Data Module (ADM)?

    <p>To compute the aircraft's position based on data from the ADM</p> Signup and view all the answers

    What occurs immediately after the destination city codes are entered and the ALIGN IRS prompt is pressed?

    <p>The Inertial Reference System begins to realign</p> Signup and view all the answers

    Which of the following describes a critical function of the PFR header?

    <p>To present the origin-destination city pair</p> Signup and view all the answers

    What must be visible before connecting the ADM coupling for proper attachment?

    <p>The blue ring on the coupling</p> Signup and view all the answers

    What is the purpose of the AOA sensor in the aircraft's avionics system?

    <p>To offer both primary and backup signals to the ADIRU.</p> Signup and view all the answers

    How does the ADIRU handle sensor failures?

    <p>It automatically switches to the backup signal.</p> Signup and view all the answers

    What defines the Total Air Temperature (TAT) sensor's functionality?

    <p>It has two independent sensing elements to ensure redundancy.</p> Signup and view all the answers

    What voltage is supplied to each Air Data Module (ADM) by the ADIRU?

    <p>13.5V DC</p> Signup and view all the answers

    What activation method is used for the self-test device of the AOA sensor?

    <p>Via the MCDU through the ADIRU.</p> Signup and view all the answers

    Which component connects the static and pitot probes to the ADIRU?

    <p>The Air Data Module (ADM).</p> Signup and view all the answers

    Which type of pressure data can be provided by the ADM to the ADR?

    <p>Pitot or static pressure</p> Signup and view all the answers

    What type of output does the ADM produce?

    <p>ARINC bus output</p> Signup and view all the answers

    What alternative name is used for Angle Of Attack sensors?

    <p>Alpha probes.</p> Signup and view all the answers

    What does the microcomputer within the ADM process according to?

    <p>ARINC signals and discrete inputs</p> Signup and view all the answers

    What is a primary function of the standby pitot probe?

    <p>To supply the standby airspeed indicator.</p> Signup and view all the answers

    What type of data do the Air Data and Inertial Reference Units (ADIRUs) compute?

    <p>Altitude, speed, and inertial reference information.</p> Signup and view all the answers

    What occurs when the crew selects all ADRs OFF?

    <p>Backup displays replace normal displays</p> Signup and view all the answers

    What is an important aspect of the sensing elements in TAT sensors?

    <p>They complement each other to form a collective dataset.</p> Signup and view all the answers

    How many discrete inputs are mentioned in relation to each ADM?

    <p>Several</p> Signup and view all the answers

    What kind of status does the ADM provide to the ADIRU?

    <p>BITE status</p> Signup and view all the answers

    What training purposes does the content indicate for the ADIRS systems?

    <p>General mechanical and avionics knowledge development.</p> Signup and view all the answers

    What is essential for the ADR to provide accurate air data?

    <p>Correct sensor and ADM inputs</p> Signup and view all the answers

    Which system utilizes the output generated by the ADM?

    <p>ADIRU</p> Signup and view all the answers

    What kind of data is primarily processed by the ADR?

    <p>Air data from sensors</p> Signup and view all the answers

    What is the primary function of the Integrated Standby Instrument System (ISIS)?

    <p>To display combined standby altitude, horizon, and airspeed</p> Signup and view all the answers

    Which instrument displays the magnetic heading within the standby instruments?

    <p>Standby compass</p> Signup and view all the answers

    Which statement accurately describes the components included in the ISIS?

    <p>It combines three critical navigation systems into one.</p> Signup and view all the answers

    What is the implication of having standby instruments in an aircraft?

    <p>They provide redundancy in case of primary instrument failure.</p> Signup and view all the answers

    In which context is the term 'standby instruments’ typically used?

    <p>For supplementary information in a cockpit</p> Signup and view all the answers

    What type of training does the document outline?

    <p>Mechanical and avionics course</p> Signup and view all the answers

    How many key instruments are displayed in the Integrated Standby Instrument System?

    <p>Three</p> Signup and view all the answers

    What type of compass is included in the standby instruments?

    <p>Standby compass</p> Signup and view all the answers

    Study Notes

    A330-200/300 Differences from A318/A319/A320/A321

    • Training manual only, not for other use
    • Manual is not updated
    • CFM56/V2500 engine
    • Navigation systems are covered in the manual
    • Navigation System Control & Indicating (2)
      • Page 2
    • Weather Radar
      • Page 2
    • ADIRS & Standby Instruments General Description (3)
      • Page 4
      • Air Data and Inertial Reference System (ADIRS) consists of three identical Air Data and Inertial Reference Units (ADIRUs), an ADIRS Mode Selector Unit (ADIRS MSU) and several sensors.
      • ADIRUs receive information from sensors to compute air data and inertial; data displayed to crew and sent to MCDU and other aircraft systems
      • Sensors send data to ISIS for display
    • Radio Navigation Tuning Description (3)
      • Page 10
      • Aircraft fitted with 2 VOR receivers, 2 DME receivers, 2 ILS receivers, and 2 ADF receivers
      • Automatic tuning mode uses associated Radio Management Panel (RMP)
      • Manual tuning mode, crew uses RADIO NAV page on MCDU 1 and 2, not 3; if one MCDU is off, the third will take over
      • Backup tuning mode uses RMP 1 and 2 for manual tuning, ILS 1 and ILS 2 are identical
    • ADIRS System Component Location (2)
      • Page 12
      • 3 ADIRUs located in avionics compartment
      • Floor 122JF needs removal to access ADIRU 1 and 2
    • ADIRS MSU Panel Location (2)
      • Page 14
      • ADIRS MSU (Mode Selector Unit) on left hand overhead panel
    • Switching Panel Location (2)
      • Page 16
      • Forward part of pedestal
    • Pitot and Static Probes (2)
      • Page 18
      • Installed on nose and forward fuselage
      • Connected to Air Data Modules (ADMs)
      • ADMs convert air pressure to digital format and send to ADIRUs
    • ADIRS D/O (3)
      • Page 20
      • ADIRU principle comprises an Air Data Reference (ADR) and an Inertial Reference (IR)
      • Sensor connection
      • Static ports
      • Pitot probes
      • Angle of Attack sensor
      • Total Air Temperature sensors
    • Air Data Module (ADM) (3)
      • Page 22
      • 8 identical ADMs
      • 13.5V DC supply
      • ARINC bus output
    • ADR Computation (3)
      • Page 23
      • ADR processes sensor and ADM inputs
    • Air Data Monitoring Function (3)
      • Page 24
      • Backup speed scale and altitude scale replace normal scale on PFDs
      • Backup altitude scale displays GPS Altitude
      • Safe speed and altitude achievable with adjustments of thrust and pitch
      • Red areas show too-fast and too-slow speeds; amber areas show ranges of high/low speeds; green area shows safe speed range
    • IR Computation (3)
      • Page 26
      • Three accelerometers provide linear accelerations
      • Three ring laser gyros provide inertial rotation rate
    • ADIRS Switching D/O (3)
      • Page 28
    • Navigation System Line Maintenance (2)
      • Includes ADIRS, batteries tests, and alignment
      • Page 32-38
    • Multi Mode Receiver (MMR) (2)
      • Page 60
    • MMR (3)
      • Page 66
    • ILS Antennae (2)
      • Page 62
    • GPS Antennae (2)
      • Page 64
    • MMR Function (3)
      • Page 68
    • MMR Maintenance Operation (3)
      • Page 76
    • VOR System Component Location
      • Page 78
    • VOR/MKR-DME-ADF D/O (3)
      • Page 80
      • The Very high frequency Omni directional and radio Range (VOR), Distance Measuring Equipment (DME), Automatic Direction Finder (ADF), and MARKER systems are radio navigation aids
    • VOR/MKR-DME-ADF D/O (3) principle
      • Page 82
    • DDRMI Presentation (3)
      • Page 86
    • VOR/MKR-DME-ADF D/O (3) Operation (3)
      • Page 88
    • TAWS/EGPWS D/O (3)
      • Page 98
    • TAWS/EGPWS D/O (3) - Runway Awareness and Advisory System
      • Page 102
    • TAWS/EGPWS D/O (3) - Warning Modes (3)
      • Page 104 - 106, 113
    • T2CAS
      • Page 122-123, 126
    • ATC/TCAS/T2CAS/T3CAS D/O (3)
      • Page 164
    • ATC/TCAS/T2CAS/T3CAS D/O-3 functions
      • Page 169
    • ATSAW Function
      • Page 172
    • TCAS Indication
      • Page 174

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    A330-200/300 Differences from A318/A319/A320/A321 (CFM56/V2500) Navigation PDF

    Description

    Test your knowledge on the fast realignment process of the Air Data Inertial Reference System (ADIRS). This quiz covers the crucial steps, requirements, and components involved in ADIRS realignment during transit or en-route stops. Ideal for flight crew training and understanding navigation systems.

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