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According to CS-25, which of the following is a secondary flight control?

  • A
    Trim tab.
  • B
    Roll spoiler.
  • C
    Rudder.
  • D
    Elevator.

Refer to figure.

Primary flight controls are considered:
Elevators
Ailerons
Rudder
Roll spoilers

Secondary flight controls are considered:
Flaps
Slats
Stabiliser
Speedbrakes
Trim tabs

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This question has appeared on the real examination, you can find the related countries below.

  • Austro Control