Type training · Boeing 777 B1.1 · ATA 49

Boeing 777 B1.1: Auxiliary Power Unit (ATA 49)Type training questions & answers

APU controller, starting and shutdown, protective shutdowns, oil, fuel and mounts.

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Sample Auxiliary Power Unit questions with answers

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

  1. 1.Where is the 777 APU controller (APUC)?

    • A.In the aft cargo compartment
    • B.In the main equipment center
    • C.In the aft galley ceiling
    Show answer and explanation

    Correct answer: C. In the aft galley ceiling

    The APUC is in the ceiling of the aft galley area. Ref AMM 49-00-00.

  2. 2.Where is the APU data memory module?

    • A.Next to the APUC
    • B.In the main equipment center
    • C.On the APU itself
    Show answer and explanation

    Correct answer: C. On the APU itself

    The data memory module is mounted on the APU, so its data stays with the engine. Ref AMM 49-10-00.

  3. 3.Where is the APU inlet door?

    • A.Bottom of the tail cone
    • B.Upper right side of the tail cone
    • C.Upper left side of the tail cone
    Show answer and explanation

    Correct answer: B. Upper right side of the tail cone

    The inlet door is on the upper right side of the tail cone. Ref AMM 49-00-00.

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Part of the Boeing 777 B1.1 type course

One chapter of the Boeing 777 B1.1 type course question bank, for the 777-200/-200ER with GE90, PW4084 or Trent 800 engines, 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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