Type training · Boeing 777 B1.1 · ATA 22, 23, 31, 34

Boeing 777 B1.1: Avionics Overview (ATA 22, 23, 31, 34)Type training questions & answers

Avionics for B1: backdrive, ELT, ground crew call, recorders, warnings, air data and navigation.

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Sample Avionics Overview questions with answers

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

  1. 1.When bank angle protection operates above 35° of bank, what do the backdrive actuators move?

    • A.The rudder pedals
    • B.The control columns
    • C.The control wheels
    Show answer and explanation

    Correct answer: C. The control wheels

    Bank angle protection drives the control wheels to reduce the bank. Ref AMM 22-11-00.

  2. 2.When does the AFDS engage all six backdrive actuators?

    • A.During any landing
    • B.During takeoff
    • C.In autoland
    Show answer and explanation

    Correct answer: C. In autoland

    All six backdrive actuators engage in autoland. Ref AMM 22-11-00.

  3. 3.Where does the ELT get its power?

    • A.From its own batteries
    • B.From airplane power
    • C.From airplane power, for test only
    Show answer and explanation

    Correct answer: A. From its own batteries

    The ELT runs on its own batteries. Ref AMM 23-24-00.

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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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