Type training · Boeing 737NG B1.1 · ATA 26

Boeing 737NG B1.1: Fire Protection (ATA 26)Type training questions & answers

Fire warning, lavatory and cargo smoke detection, APU fire detection and extinguishing, wheel well and wing/body overheat.

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Sample Fire Protection questions with answers

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

  1. 1.Which fire extinguishing systems does the 737NG have?

    • A.Engine and APU only, with no cargo bottles
    • B.Engine, APU and wheel well fire bottles
    • C.Engine, APU, lavatory, cargo, portable
    Show answer and explanation

    Correct answer: C. Engine, APU, lavatory, cargo, portable

    The airplane has engine, APU, lavatory and (on many airplanes) cargo extinguishing plus portable extinguishers. Ref Boeing 737-600/700/800/900 training manual, ATA 26.

  2. 2.What happens in the 737NG flight deck for an engine fire?

    • A.The OVHT/DET light and a warning horn
    • B.Two FIRE WARN lights and the bell
    • C.The master caution and a single chime
    Show answer and explanation

    Correct answer: B. Two FIRE WARN lights and the bell

    Both red FIRE WARN lights on P7 come on and the bell sounds; the fire handle lights. Ref Boeing 737NG training manual, ATA 26.

  3. 3.Does the 737NG APU fire horn in the wheel well sound in flight?

    • A.No, only on the ground
    • B.Yes, always, in flight and on ground
    • C.Only when both engines are shut down
    Show answer and explanation

    Correct answer: A. No, only on the ground

    The P28 red light and horn work on the ground; the horn does not sound in flight. Ref Boeing 737NG training manual, ATA 26.

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Part of the Boeing 737NG B1.1 airframe and systems course

One chapter of the Boeing 737NG B1.1 airframe and systems course question bank, for the 737-600/700/800/900, 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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