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With an increase in the amount of flap deployment, the stalling angle of a wing

  • increases.
  • remains the same.
  • decreases.

Explanation from PART66Online

Trailing-edge flaps increase camber, which raises the maximum lift coefficient but causes the airflow to separate at a lower angle of attack. As a result the stalling angle of the wing decreases as more flap is deployed. This is why deck-angle limits are reduced with flap extended.

B

boholbo asked · 23 Apr 2025

Please why is it not decrease,,,?
flap deploy -> flap stall speed decrease -> stall AOA also decrease..?

Community Comments (1)

C
cancaroman 3 May 2026
I agree with you, there's another question which Is saying that with flap deployment there's a decrease of aoa stall

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