SATCOM Avionics Subsystem Overview
100 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the main function of the SATCOM avionics subsystem?

  • To transmit and receive data for cabin internet applications (correct)
  • To navigate the aircraft through airspace
  • To manage in-flight entertainment systems
  • To control the aircraft's engines

    • Which aircraft models are specifically mentioned in relation to the CMQ - SA family?

  • A340-300
  • A330-100/200
  • A330-200/300 (correct)
  • A320-200

    • What is indicated by 'D/O (3)' in the context of Satellite Communication?

  • Designated Operation, Version 3
  • Department of Operations 3
  • Data Output version 3 (correct)
  • Data Overhaul, 3rd edition

    • In which levels does the CMQ - SA family interface with the A330-200/300?

    <p>Level 2 and Level 3</p> Signup and view all the answers

    What type of applications does the SATCOM subsystem support?

    <p>Cabin internet-based applications</p> Signup and view all the answers

    What is the revision date mentioned for the training document related to the avionics subsystem?

    <p>June 01, 2019</p> Signup and view all the answers

    What engine type is associated with the A330-200/300 in the context provided?

    <p>RR Trent 700</p> Signup and view all the answers

    What role does the SATCOM avionics subsystem play in the communication systems of aircraft?

    <p>For cabin communication and data transfer</p> Signup and view all the answers

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

    <p>To facilitate communication between cabin crew and cockpit</p> Signup and view all the answers

    Which aircraft families are mentioned in the context of the interphone functionalities?

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

    What type of device can be used in the cockpit for communication with cabin crew?

    <p>Cockpit handset or acoustic device</p> Signup and view all the answers

    When was the document regarding the PA-CAB and service interphones functionalities last revised?

    <p>June 1, 2019</p> Signup and view all the answers

    What is one of the identified functionalities of the PA-CAB system?

    <p>Telephone communication</p> Signup and view all the answers

    What levels are indicated for the training associated with the A330-200/300 family?

    <p>Level 2 and Level 3</p> Signup and view all the answers

    What is the output impedance of the VDR transceiver?

    <p>50 Ohms</p> Signup and view all the answers

    Which engine type is associated with the A330-200/300 mentioned in the context?

    <p>Rolls Royce Trent 700</p> Signup and view all the answers

    What is the power supply voltage for the VDR transceiver?

    <p>28 VDC</p> Signup and view all the answers

    What is the purpose of the document that mentions PA-CAB & service interphones functionalities?

    <p>Training purposes</p> Signup and view all the answers

    Which frequency range does the VDR transceiver operate within?

    <p>118.000Mhz to 137.975Mhz</p> Signup and view all the answers

    What type of buses connect the VDR transceiver with the RMPs for tuning?

    <p>ARINC 429 buses</p> Signup and view all the answers

    What is the channel spacing in the frequency range of the VDR transceiver?

    <p>8.33 Khz</p> Signup and view all the answers

    How is the VDR transceiver powered?

    <p>Via 28 VDC</p> Signup and view all the answers

    Which of the following is NOT a system the VDR transceiver is linked to?

    <p>ELT transmitter</p> Signup and view all the answers

    What is the model of the engine associated with the A330-200/300?

    <p>RR Trent 700</p> Signup and view all the answers

    What does the CAM provide information about?

    <p>Cabin lights and temperature</p> Signup and view all the answers

    What indicates that the CABIN STATUS page is displayed on the screen?

    <p>The button turns green</p> Signup and view all the answers

    Which of the following does the hard key panel NOT include?

    <p>Temperature controls</p> Signup and view all the answers

    Which function is the PED POWER hard key associated with?

    <p>Turning Portable Electronic Device power on or off</p> Signup and view all the answers

    What is the purpose of the hard key panel?

    <p>To operate major functions independently from the FAP touch screen</p> Signup and view all the answers

    What do the No Smoking, Fasten Seat Belt, and Return To Seat signs indicate?

    <p>Passenger safety regulations</p> Signup and view all the answers

    What does the optional third flash card store?

    <p>Pre-Recorded Announcement and boarding music</p> Signup and view all the answers

    Which of the following is NOT a function of the hard key panel?

    <p>Communicating with pilots</p> Signup and view all the answers

    What happens to the button on the CABIN STATUS when it is not displayed?

    <p>It remains grey</p> Signup and view all the answers

    Where are the USB and headset plugs located?

    <p>On the hard key panel</p> Signup and view all the answers

    What is the purpose of the Tx signal in the satellite communication process?

    <p>To transmit signals from the antenna to the satellite</p> Signup and view all the answers

    What indication is shown when the call is established during the satellite communication process?

    <p>Connected indication displayed next to the channel</p> Signup and view all the answers

    What type of signal does the antenna convert from the L-band radio frequency signal?

    <p>IF Rx signal</p> Signup and view all the answers

    Which component relays the Rx signal to the RFU in the satellite communication setup?

    <p>D/LNA</p> Signup and view all the answers

    What happens to the green lines during the call establishment process?

    <p>They flash during the call establishment</p> Signup and view all the answers

    At what point does the SDU take action in the signal processing chain?

    <p>When routing received signals to the user</p> Signup and view all the answers

    What must be done first before the transmission of a call can occur in satellite communications?

    <p>Select the reception keys</p> Signup and view all the answers

    What provides feedback to the user regarding the call-processing stage?

    <p>Visual signals from the ACP</p> Signup and view all the answers

    What is the primary function of the AMU in relation to the VHF systems?

    <p>To serve as an interface for audio transmission and reception</p> Signup and view all the answers

    How does the VDR transceiver determine if the aircraft is in flight?

    <p>Using a signal from the LGCIU</p> Signup and view all the answers

    What happens when a transmission lasts more than 30 seconds?

    <p>The transceiver emits an aural warning for 5 seconds</p> Signup and view all the answers

    Which component is responsible for controlling radio communication transceivers?

    <p>RMP3</p> Signup and view all the answers

    What triggers the 'VHF1 EMITTING', 'VHF2 EMITTING', or 'VHF3 EMITTING' amber message on the EWD?

    <p>A transmission exceeding one minute</p> Signup and view all the answers

    What role does the ATSU play in relation to the VDR transceiver?

    <p>Facilitates the exchange of data between the A/C and ground systems</p> Signup and view all the answers

    When are the VDR transceivers typically tuned through port A?

    <p>During normal operation</p> Signup and view all the answers

    What does the Push-to-talk (PTT) key line signal to the transceivers?

    <p>A ground signal for communication</p> Signup and view all the answers

    Which type of audio signal is used in conjunction with the HFDR transceivers?

    <p>Analog lines</p> Signup and view all the answers

    What is the RF output power of the SSB mode in the HF transceiver?

    <p>400 W pep</p> Signup and view all the answers

    Which of the following frequency ranges is classified as 'wide' for the HF transceiver?

    <p>1.0000 to 29.9999 MHz</p> Signup and view all the answers

    What type of labels are used in the serial tuning words dedicated to HFDR transceivers?

    <p>Label 037</p> Signup and view all the answers

    What is indicated by aural tone when the HF transceiver is out of range?

    <p>Out-of-range selection</p> Signup and view all the answers

    Which of the following contains information about the sign/status and parity in the HF transceiver?

    <p>The second 32-bit tuning word</p> Signup and view all the answers

    What is the average tune power output for AM mode in the HF transceiver?

    <p>125 W</p> Signup and view all the answers

    What label is transmitted by the HF BITE for maintenance purposes?

    <p>Label 356</p> Signup and view all the answers

    What communication method does the High Frequency (HF) system primarily facilitate?

    <p>Long distance voice communications between aircraft</p> Signup and view all the answers

    Which statement accurately describes the function of the Emergency Locator Transmitter System?

    <p>It aids in locating an aircraft during an emergency</p> Signup and view all the answers

    Which of the following systems utilizes the Panasonic brand mentioned in the document?

    <p>In-Flight Entertainment System</p> Signup and view all the answers

    What type of communication does the VHF system primarily support?

    <p>Voice communication to ground stations and nearby aircraft</p> Signup and view all the answers

    What aspect of the Cockpit Voice Recording System is highlighted in the manual?

    <p>Continuous recording of cockpit sounds without interruption</p> Signup and view all the answers

    What does the term 'D/O (3)' denote in the context of the systems mentioned?

    <p>Documented Overview and Specifications</p> Signup and view all the answers

    Which communication systems are indicated to allow for communications on both ground and in flight?

    <p>HF and VHF systems</p> Signup and view all the answers

    What functionality is associated with the Cabin Intercommunication Data System?

    <p>Facilitating crew communication within the cabin</p> Signup and view all the answers

    Which PRIMARY function does the in-flight entertainment system serve?

    <p>Deliver entertainment options to passengers</p> Signup and view all the answers

    What is the main purpose of the Technician notes marked as 'FOR TRAINING PURPOSES ONLY'?

    <p>To facilitate the training and knowledge of system functionalities</p> Signup and view all the answers

    Which characteristic of the LGA indicates its ability to receive signals from all directions?

    <p>Omnidirectional nature</p> Signup and view all the answers

    What is the primary function of the splitter in the LGA system?

    <p>To distribute the Tx signal</p> Signup and view all the answers

    Which statement accurately describes the limitations of the LGA system?

    <p>It cannot ensure high-rate data transmission.</p> Signup and view all the answers

    What component is involved in combining the Rx signals before they reach the RFU?

    <p>The combiner</p> Signup and view all the answers

    What does the LGA system allow in case of a failure of the high gain antenna subsystem?

    <p>Low rate data transmission</p> Signup and view all the answers

    Which of the following best describes the adjustment capabilities of the LGA?

    <p>The LGA is fixed and non-adjustable.</p> Signup and view all the answers

    How does the LGA interact with the BSU according to its design?

    <p>The LGA operates independently without needing a BSU.</p> Signup and view all the answers

    In the context of the LGA system, what does the term 'D/LNAs' refer to?

    <p>Downlink and Low Noise Amplifiers</p> Signup and view all the answers

    What indicates that a call is being established during the SATCOM process?

    <p>Flashing green lines</p> Signup and view all the answers

    Which component is responsible for demodulating and decoding the Rx signal in the satellite communications process?

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

    What must be selected prior to establishing a satellite communication call?

    <p>Reception keys</p> Signup and view all the answers

    Which frequency signal is converted into an IF Rx signal during satellite communication?

    <p>L-band radio frequency signal</p> Signup and view all the answers

    After receiving a signal from the satellite, which component routes the signal to the concerned user?

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

    What action occurs once the Tx signal reaches the antenna during the satellite communication process?

    <p>It is amplified and sent to the satellite.</p> Signup and view all the answers

    Which component relays the received signal to the RFU in the satellite communication setup?

    <p>D/LNA</p> Signup and view all the answers

    What happens to the signal once the call is established according to the satellite communication process?

    <p>It becomes steady.</p> Signup and view all the answers

    What data does the ORT table contain within the SDU programming?

    <p>Information on all ground stations in each satellite region</p> Signup and view all the answers

    Which aspect does the SDU evaluate when selecting a ground station?

    <p>Quality of the received signal based on strength and/or bit error rate</p> Signup and view all the answers

    What type of information is conveyed by the electronic bulletin board sent from the ground station?

    <p>System table information along with other operational data</p> Signup and view all the answers

    What initiates the log-in procedure for satellite communication?

    <p>User activation on the MCDU SATCOM Menu</p> Signup and view all the answers

    During the log-in, what action does the SDU perform after testing the ground stations?

    <p>Automatically selects the ground station with the best signal quality</p> Signup and view all the answers

    Which of the following best describes the log-in command function on the MCDU SATCOM Menu?

    <p>It begins the process of registering with the chosen ground station</p> Signup and view all the answers

    What happens at the end of the signal quality testing by the SDU?

    <p>The SDU determines the best quality signal ground station for the log-in</p> Signup and view all the answers

    What role does the SDU play in the satellite communication log-in process?

    <p>It acts as an intermediary between the aircraft and the satellite system</p> Signup and view all the answers

    What functionality is primarily controlled by the LIGHTS MAIN ON/OFF function in the cabin intercommunication data system?

    <p>Switching the main cabin lights on or off</p> Signup and view all the answers

    What does the SCREEN 30 sec LOCK feature do within the Flight Attendant Panel?

    <p>Locks the touch function of the screen for 30 seconds</p> Signup and view all the answers

    Which component serves as the main user interface with the Cabin Intercommunication Data System?

    <p>Flight Attendant Panel</p> Signup and view all the answers

    What is the purpose of the LAV MAINT function in the cabin intercommunication data system?

    <p>To switch lavatory lights on</p> Signup and view all the answers

    How does the Flight Attendant Panel assist in overall cabin management?

    <p>By serving as the main communication interface with other systems</p> Signup and view all the answers

    What functionality does the cabin intercommunication data system NOT provide?

    <p>Navigation assistance for emergency landings</p> Signup and view all the answers

    Which system is responsible for locking the touch functionality on the screen for 30 seconds?

    <p>Flight Attendant Panel</p> Signup and view all the answers

    What can be inferred about the functionalities entailed in 'D/O (3)' for the cabin intercommunication data system?

    <p>It indicates specific operating standards for cabin communications</p> Signup and view all the answers

    Study Notes

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

    • Training manual only, not for other purposes
    • Notes are not updated

    CFM56/V2500 Training Manual

    • Communications manual only for training
    • Not for any other use
    • Notes not updated

    Speech Communication

    • HF D/O (3) (2)
    • VHF D/O (3) (10)
    • Satellite Communication D/O (3) (18)

    CIDS

    • PA-CAB & Service Interphones Functionalities (2) (30)
    • Cabin Intercommunication Data System D/O (3) (36)
    • Emergency Locator Transmitter - ATA 25 (86)
    • Emergency Locator Transmitter System D/O (CEIS) (3) (92)
    • Emergency Locator Transmitter System D/O (ELTA) (3) (96)
    • In-flight Entertainment System (96)
    • IFE System Functionalities D/O (Panasonic) (3) (102)
    • IFE System D/O (Panasonic) (3) (120)
    • IFE System D/O (Thales) (3) (136)
    • Cockpit Voice Recording D/O (3) (162)

    HF D/O (3) - General

    • High Frequency (HF) system for long distance voice communication between aircraft (in-flight or ground) or between aircraft and ground station
    • Comprised of 2 HFDR transceivers, 2 HFDR couplers and a shunt-type antenna

    HF D/O (3) - Main Components

    • HFDR 1/2 transceivers
    • HFDR 1/2 coupler (impedance matching between antenna and transceiver)
    • HF shunt-type antenna
    • Radio Management Panels (RMPs)
    • Audio Management Unit (AMU)
    • Audio Control Panels (ACPs)
    • Acoustic equipment (2 side-stick radio selectors, 2 loudspeakers, 3 oxygen mask microphones, facilities for boomsets, headsets, hand microphones)

    HF D/O (3) - System Architecture

    • RMPs for HF1 and HF2 frequency control
    • HFDR transceivers with two serial input ports (A and B)
    • Port A for normal operation; secondary port for RMP2 if RMP1 and RMP3 fail
    • RMP3 controls radio communications via dialog bus
    • AMU acts as a user interface for transmission/reception of audio signals using a push-to-talk (PTT) key
    • Selective Calling (SELCAL) provides visual & aural indication to the flight crew of calls received through HF system
    • ACPs for HF transmission/reception selection mode and audio signal level control via AMU
    • BITE integrated in HF transceiver for maintenance
    • BITE maintains 2-way comms with Central Maintenance Computers (CMCs) via ARINC 429 buses; detects/identifies failures
    • LGCIU sends flight/ground status to notify HF BITE (fault memory increment in case of CMC failure)

    HF D/O (3) - Frequencies and Characteristics

    • RF output power: SSB 400 W peak, 125 W average, AM 125W, 72-85 W average
    • Impedance 50 Ohms
    • Frequency range: 2000-29999 MHz (wide), 2800–23999 MHz (narrow)
    • Tone alert for out-of-range selection

    VHF D/O (3) - General

    • VHF system allows short-range voice communications between aircraft (in flight or ground) or between aircraft and ground station
    • It comprises three VDR transceivers and three blade antennae

    VHF D/O (3) - Main Components

    • VDR 1/2/3 transceivers
    • VHF antennae
    • Radio Management Panels
    • Audio Management Unit
    • Audio Control Panels
    • Acoustic equipment (2 side-stick radio push-to-talk, 2 loudspeakers, 3 oxygen mask microphones, facilities for boomsets, headsets and microphones)

    VHF D/O (3) - System Architecture

    • RMPs for control of VDR 1/2/3 frequency
    • VDR transceiver with two serial input ports (A&B)
    • Port A used for normal operation
    • Port B activated if RMP1/RMP3 are failed
    • AMU interfaces with users for transmission/reception of audio signals
    • ACP for control of VHF transmission and reception; audio signal level control via AMU
    • BITE for maintenance

    Satellite Communication D/O (3) - General

    • SATCOM system provides satellite communication for cockpit and cabin
    • Supports voice and data communications
    • Two subsystems: avionics & antenna
    • Avionics subsystem consists of SDU, HSDU, RFU and HPA
    • Antenna subsystem consists of D/LNA, BSU and HGA

    Satellite Communication D/O (3) - Avionics Subsystem Details

    • SDU—Satellite Data Unit
    • HSDU—High Speed Data Unit (optional)
    • RFU—Radio Frequency Unit
    • HPA—High Performance Amplifier

    Satellite Communication D/O (3) - Antenna Subsystem Details

    • D/LNA—Diplexer/Low Noise Amplifier
    • BSU—Beam Steering Unit
    • HGA—High Gain Antenna

    Satellite Communication D/O (3) - Interfaces

    • A/D/IRS—Air Data/Inertial Reference System
    • A/T/IMS—Air Traffic and Information Management System
    • PATS—Passenger Air-to-ground Telephone System

    Satellite Communication D/O (3) - Description

    • SDU—Key processing element, controls and monitors satellite communications
    • Performs voice & data digitizing, coding/decoding
    • Connects to AMU, ATSU, MCDUs, ADIRUs, DLRB and CMCs
    • Contains a maximum of 6 channels for simultaneous, full duplex operation
    • Optional HSDU splits/combines RF reception/transmission with SDU

    Emergency Locator Transmitter (ELT)

    • Transmits distress signals (automatic or manually)
    • Operates on three frequencies for civil/military homing and satellite systems
    • Stores distress signal (while not in range to user terminal) to a local user terminal
    • Local terminal receives signal in a radius of 2,500 km (1367 NM)
    • Identifies aircraft location and transmits coordinates to rescue coordination, and/or mission, center
    • Identifies aircraft location within a radius of 1.8km (5,900 ft.)

    In-Flight Entertainment

    • System is interactive and integrated
    • Offers passenger entertainment features
    • Basic functions include audio and video broadcast, on-demand audio/video, interactive utilities (games, internet) and passenger address and information display systems in conjunction with other systems (e.g. PFIS, TACS)

    Cockpits Voice Recording

    • Records cockpit crew conversations
    • Records radio comms
    • Records PA announcements
    • Records crew warnings
    • Records in-cockpit conversations

    Studying That Suits You

    Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

    Quiz Team

    Related Documents

    A330-200/300 Communications Training Manual PDF

    Description

    This quiz explores the functions and specifics of the SATCOM avionics subsystem, particularly in relation to the CMQ - SA family and its implementation in the A330-200/300 aircraft models. Test your knowledge on key terms, applications, and system interfaces as they relate to aircraft communication technologies.

    More Like This

    How Well Do You Know the Sitcom "It's a Living"?
    5 questions

    It's a Living Sitcom Quiz: Test Your Knowledge

    WondrousSnowflakeObsidian avatar
    WondrousSnowflakeObsidian
    Sitcom Trivia Challenge
    5 questions

    Take the Sitcom Quiz: TV Sitcom Trivia Challenge

    PoignantSalmon avatar
    PoignantSalmon
    The Art of Sitcom Writing
    12 questions

    The Art of Sitcom Writing

    RespectableDivergence avatar
    RespectableDivergence
    Understanding Sitcom Structure
    8 questions

    Understanding Sitcom Structure

    BeauteousTellurium avatar
    BeauteousTellurium
    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser