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Private Pilot Licence (PPL) – Canada · Question

What is the primary cause of an aircraft stall?

A stall occurs when the wing exceeds its critical angle of attack, regardless of airspeed. This causesairflow separation from the upper surface of the wing, lea

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Question: What is the primary cause of an aircraft stall?

Answer options:

  • Engine failure
  • Insufficient airspeed ✅ Exceeding the critical angle of attack
  • Too much drag

Correct answer: Exceeding the critical angle of attack

Explanation: A stall occurs when the wing exceeds its critical angle of attack, regardless of airspeed. This causesairflow separation from the upper surface of the wing, leading to a loss of lift.

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