Type training · Boeing 757 B2 · ATA 22

Boeing 757 B2: Autopilot Flight Director System (ATA 22)Type training questions & answers

Flight control computers, mode control panel, servos, autoland and power isolation, flight director and engage logic.

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Sample Autopilot Flight Director System questions with answers

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

  1. 1.How many flight control computers (FCCs) does the AFDS have?

    • A.Four
    • B.Two
    • C.Three
    Show answer and explanation

    Correct answer: C. Three

    Left, center and right FCCs each control one servo in each axis. Cruise uses one channel; approach and autoland use two or three.

  2. 2.How does the AFDS operate in cruise compared with approach and autoland?

    • A.Single channel, pitch and roll
    • B.Triple channel in every phase
    • C.Dual channel, with yaw added
    Show answer and explanation

    Correct answer: A. Single channel, pitch and roll

    For approach, land, rollout and go-around it becomes multi-channel and also controls yaw through the rollout guidance servos.

  3. 3.Where are the autopilot lateral (aileron) control servos?

    • A.In the vertical stabilizer
    • B.In the main wheel wells
    • C.Aft of the stabilizer
    Show answer and explanation

    Correct answer: B. In the main wheel wells

    The left and center servos are on the left side of the wheel well and the right servo on the right. Pitch servos are aft of the stabilizer.

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Part of the Boeing 757 B2 type course

One chapter of the Boeing 757 B2 type course question bank, for the 757-200 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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