Type training · Boeing 757 B2 · ATA 23, 31

Boeing 757 B2: Interphone, PA, Recorders and Clocks (ATA 23, 31)Type training questions & answers

Flight, cabin and service interphone, passenger address and entertainment, voice and flight data recorders, and the clocks.

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Sample Interphone, PA, Recorders and Clocks questions with answers

Three questions from the free preview. Think of your answer first, then open the explanation.

  1. 1.Which unit mixes and amplifies the flight interphone audio?

    • A.The audio accessory unit
    • B.The PA amplifier
    • C.The audio selector panel
    Show answer and explanation

    Correct answer: A. The audio accessory unit

    The AAU also holds the cabin, service interphone and PA interface circuits. Its amplifier card has no line adjustments.

  2. 2.Where does the ground crew connect a headset to talk to the flight deck on the flight interphone?

    • A.The nose gear control panel
    • B.The aft service door panel
    • C.The main equipment center door
    Show answer and explanation

    Correct answer: A. The nose gear control panel

    The jack is on the P62 right nose landing gear panel, next to the flight deck call pushbutton.

  3. 3.What does the INT position of the ASP MIC/INT switch do?

    • A.Keys the flight interphone only
    • B.Keys the PA and cabin interphone
    • C.Keys the selected radio
    Show answer and explanation

    Correct answer: A. Keys the flight interphone only

    MIC keys the system selected on the ASP (radio, cabin interphone, PA or SATCOM). INT always keys the flight interphone.

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Part of the Boeing 757 B2 type course

One chapter of the Boeing 757 B2 type course question bank, for the 757-200 avionics, written in our own words for revision. Your type course and the aircraft maintenance manual stay the authority: limits and procedures can differ between airframes and operators.

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