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On an Airbus A320, if both flight directors are on and the autopilot is selected off, what happens to the FMAs?

  • A

    They remain unchanged.

  • B

    They disappear.

  • C

    They change color.

  • D

    Only the autopilot-associated FMAs disappear.

Refer to figure.
The flight mode annunciator (FMA) is displayed at the top of the primary flight display (PFD).

On an Airbus A320 it is divided into 5 columns to show the status of:

  1. Autothrust (A/THR) operation
  2. Autopliot (AP) and Flight Director (FD) vertical modes
  3. AP/FD lateral modes
  4. Approach capabilities and DH or MDA
  5. AP, FD and A/THR engagement status

The first line of column 5 can display the following in white:

  • AP1 - Autopilot 1 is engaged
  • AP2 - Autopilot 2 is engaged
  • AP 1+2 - Autopilots 1 and 2 are engaged
  • Blank - No autopilots are engaged.

Turning off the autopilots(s) will only result in the autopilot associated annunciations (AP1/AP2) disappearing, all other annunciations are unaffected

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