Type training · Boeing 777 B2 · ATA 30

Boeing 777 B2: Ice and Rain Protection (ATA 30)Type training questions & answers

Wing and engine anti-ice control, probe heat, window heat, wipers and ice detection.

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Sample Ice and Rain Protection questions with answers

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

  1. 1.When does the 777 wing anti-ice system operate?

    • A.In flight, and in ground tests
    • B.In flight only, no exceptions
    • C.On the ground in icing
    Show answer and explanation

    Correct answer: A. In flight, and in ground tests

    Wing anti-ice operates in flight only, apart from ground tests. Ref AMM 30-11-00.

  2. 2.With AUTO or ON selected, when is wing anti-ice operation inhibited?

    • A.When TAT is above 10°C (50°F)
    • B.When bleed air is below 93°C (200°F)
    • C.When the airplane is on the ground
    Show answer and explanation

    Correct answer: B. When bleed air is below 93°C (200°F)

    The operational mode is inhibited with bleed air below 93°C. Ref AMM 30-11-00.

  3. 3.Where does wing anti-ice get air/ground information?

    • A.The WOW cards only
    • B.The ADIRU air data only
    • C.WOW cards and the ADIRU
    Show answer and explanation

    Correct answer: C. WOW cards and the ADIRU

    It uses both the WOW cards and the ADIRU. Ref AMM 30-11-00.

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Part of the Boeing 777 B2 type course

One chapter of the Boeing 777 B2 type course question bank, for the 777 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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