CASA Part 66: Turbine Aeroplane Aerodynamics and Systems
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Questions and Answers

What information does the CMC memorise at each leg opening transition?

  • Date, flight number, city pair from, start time and A/C identification (correct)
  • End time and city pair to
  • Only flight number and city pair
  • Leg heading and A/C identification only

    • What is the primary purpose of having two CMCs in large modern commercial aircraft?

  • To provide a backup system in case of failure (correct)
  • To display duplicate information on the MCDU
  • To increase the speed of data processing
  • To reduce the weight of the aircraft

    • What happens when the off legend illuminates on the pushbutton switch in the cockpit overhead panel?

  • The MCDU displays a failure indication
  • The aircraft's auto-pilot system is activated
  • The CMC 1 is switched off
  • The CMC 2 becomes the master (correct)

    • What is the result of a CMC bite failure?

    <p>A failure indication is displayed on the MCDU and printer</p> Signup and view all the answers

    What is the function of the Management Unit (MU) in the ACARS system?

    <p>To send failure details to the main base</p> Signup and view all the answers

    What information does the CMC memorise at each leg closing transition?

    <p>End time and city pair to</p> Signup and view all the answers

    What type of failure has no operational consequence for the current flight?

    <p>Class 2</p> Signup and view all the answers

    Where are the systems affected by Class 2 failures identified?

    <p>ECAM STATUS page</p> Signup and view all the answers

    What type of system computer can memorise failures from the last 64 flights?

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

    What is the output connection of Type 2 systems?

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

    How are Type 1 systems connected to the CMCs?

    <p>By ARINC 429 output bus</p> Signup and view all the answers

    What is the purpose of the system test initialisation in Type 2 systems?

    <p>To initialises the system test</p> Signup and view all the answers

    What is a characteristic of Type 3 systems?

    <p>They have a discrete input and output</p> Signup and view all the answers

    What is the function of the Central Maintenance Computers (CMCs)?

    <p>To acquire and process BITE information in parallel</p> Signup and view all the answers

    What is the purpose of the self-tests in the MCDU?

    <p>To check for LRU removal/installation</p> Signup and view all the answers

    What is the role of the master CMC?

    <p>To initialise the dialogue with the MCDUs</p> Signup and view all the answers

    What is displayed on the main menu of the MCDU?

    <p>CMS item</p> Signup and view all the answers

    How can an operator access the CMC functions?

    <p>Through the CMS menu</p> Signup and view all the answers

    What is the typical number of paper pages in an airliner's operations, training, and maintenance data?

    <p>50 000</p> Signup and view all the answers

    What is the main component of the electronic library system?

    <p>All of the above</p> Signup and view all the answers

    What is the purpose of the Cursor Control Device (CCD) in the Maintenance Access Terminal (MAT)?

    <p>To select and update the required system software</p> Signup and view all the answers

    What is included in the documents used for operational requirements?

    <p>Taxi diagrams, ops manual, and minimum equipment lists</p> Signup and view all the answers

    What is the device used to load software in the Airbus system?

    <p>Multifunctional Display Unit (MDDU)</p> Signup and view all the answers

    Why is it important to follow maintenance manuals when loading software?

    <p>To prevent software mismatches or glitches</p> Signup and view all the answers

    What is the purpose of the electronic flight bag?

    <p>To reduce the number of paper pages</p> Signup and view all the answers

    What type of data is included in the cabin management tools?

    <p>Cabin data and special passenger needs</p> Signup and view all the answers

    Where can software downloads be initiated?

    <p>Both in flight and on the ground</p> Signup and view all the answers

    What happens after the computer acknowledges the request from the MCDU?

    <p>The computer sorts the data to be transferred into files</p> Signup and view all the answers

    What is the main benefit of the electronic library system?

    <p>It reduces the number of paper pages</p> Signup and view all the answers

    What is critical to aircraft operations?

    <p>Correct software loads and software configurations</p> Signup and view all the answers

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