Aircraft Systems: ATSU and DCDU
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Aircraft Systems: ATSU and DCDU

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Questions and Answers

What is the primary function of the Multipurpose Disk Drive Unit (MDDU)?

  • To display information to the flight crew
  • To store data for the ATSU
  • To upload software to the ATSU (correct)
  • To transmit data to the ATC ground centre
  • What is the purpose of the ATSU?

  • To communicate with the ATC ground centre
  • To test the DCDU
  • To control the aeroplane's engines
  • To process and organize data for display on the DCDU (correct)
  • What is the maximum number of messages that can be stored in the DCDU message file?

  • 50
  • 29 (correct)
  • 10
  • 20
  • What happens when an urgent or distress message is received?

    <p>It is automatically displayed on the DCDU</p> Signup and view all the answers

    What is the function of the ARINC 429 high-speed bus?

    <p>To transmit data from the ATSU to the DCDU</p> Signup and view all the answers

    What is displayed on the DCDU when the message file reaches its capacity?

    <p>The amber message 'file full'</p> Signup and view all the answers

    What information does the ATIMS system send to the CMCs?

    <p>The part number and software number of each component</p> Signup and view all the answers

    What is the purpose of acquiring A/C configuration parameters from the CMC?

    <p>To determine if any optional systems are installed on the aircraft</p> Signup and view all the answers

    What is the role of the ATSU in exchanging data messages for AOC remote application?

    <p>It acts as a router</p> Signup and view all the answers

    What is the function of the MCDUs in the ATIMS system?

    <p>To provide aircrew access to ATC system pages</p> Signup and view all the answers

    How many FMCs are used in the ATIMS system?

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

    What information is acquired by the FMGEC from the ATSU?

    <p>Origin/destination airports, flight numbers, and fuel quantity</p> Signup and view all the answers

    What is the function of the Landing Gear Control Interface Unit (LGCIU) in relation to the ATSU?

    <p>To determine whether the aircraft is on the ground or in flight</p> Signup and view all the answers

    What is the purpose of the ATSU in relation to the cabin terminals?

    <p>To act as an ACARS router</p> Signup and view all the answers

    What is the main concept that the ATIMS system is based on?

    <p>Communication Navigation and Surveillance (CNS)</p> Signup and view all the answers

    What type of messages are hosted in the cabin terminals?

    <p>ARINC 619</p> Signup and view all the answers

    What is the function of the ATSU in relation to the printer?

    <p>To acquire printer status</p> Signup and view all the answers

    What is the function of the ATIMS system in relation to air traffic and airline operations?

    <p>To provide air traffic control and airline operational control</p> Signup and view all the answers

    What is the primary purpose of FANS in air traffic control?

    <p>To improve ATC routings and reduce separations between aircraft</p> Signup and view all the answers

    What is the frequency of automatic surveillance reports transmitted by FANS-equipped aircraft?

    <p>At least every one to five minutes</p> Signup and view all the answers

    What is the primary source of position information for FANS-equipped aircraft?

    <p>The Global Positioning System (GPS)</p> Signup and view all the answers

    What is a benefit of digital data communication between flight crews and air traffic controllers?

    <p>It reduces the possibility of error and allows for more efficient routings</p> Signup and view all the answers

    What is a factor considered by FANS in improving ATC routings?

    <p>Both overall traffic and ATC restrictions or constraints</p> Signup and view all the answers

    What type of information is displayed on the in-flight entertainment system?

    <p>Flight status and aircraft position</p> Signup and view all the answers

    Which system provides real-time video and audio details of the countries along the flight path?

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

    What type of data is uploaded or downloaded through the Multi-purpose Disk Drive Unit (MDDU)?

    <p>Flight data</p> Signup and view all the answers

    Which system interfaces with the PVIS to provide passengers with flight status and aircraft position data?

    <p>FMGEC and ADIRS</p> Signup and view all the answers

    What is the purpose of the airshow displays provided by the PVIS?

    <p>To show maps with the aircraft flight course</p> Signup and view all the answers

    Who is the targeted audience for the maintenance information displayed on the Aeroplane Maintenance Information system?

    <p>Line maintenance, hangar maintenance, and engineering staff</p> Signup and view all the answers

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