Type training · Boeing 737 Classic B1.1 · ATA 52

Boeing 737 Classic B1.1: Doors (ATA 52)Type training questions & answers

Entry and service doors, cargo doors, overwing hatches, flight deck door lock, airstair and door warning.

Start practising →33 questions · free preview available

Sample Doors questions with answers

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

  1. 1.Which exits can be used in a 737 Classic emergency?

    • A.The passenger doors and both cargo doors
    • B.Hatches, doors, No. 2 window, flight deck door
    • C.Only the four passenger doors, with slides
    Show answer and explanation

    Correct answer: B. Hatches, doors, No. 2 window, flight deck door

    Emergency exits are the overwing hatches, the passenger doors with slides, the flight deck No. 2 window and the flight deck door. Ref 737-300/400/500 AMM 52-00-00.

  2. 2.How do the 737 Classic forward and aft cargo doors open?

    • A.Inward, hinged at the top
    • B.Outward, hinged at the bottom
    • C.Outward and upward, powered
    Show answer and explanation

    Correct answer: A. Inward, hinged at the top

    Both cargo doors are hinged at their upper edges and open inward. Ref 737-300/400/500 AMM 52-30-00.

  3. 3.How are 737 Classic cargo doors raised to the open position?

    • A.Counterbalance springs
    • B.Hydraulic actuators on system A
    • C.Small electric motors on the hinges
    Show answer and explanation

    Correct answer: A. Counterbalance springs

    Springs in the balance mechanism raise the door; a mechanical latch holds it fully open. Ref 737-300/400/500 AMM 52-34-00.

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Part of the Boeing 737 Classic B1.1 type course

One chapter of the Boeing 737 Classic B1.1 type course question bank, for the 737-300/400/500 with CFM56-3 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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