Discussion
Using aileron to raise a dropping wing near the stall is the correct technique. True or false?
Answer: C
Correct answer: False, the lowered aileron may stall that section and worsen the drop
Lowering an aileron raises the local angle of attack on that section. On a wing already near the stall, that can take the section past the stall, so lift falls rather than rises and the wing drops further - the opposite of the intended correction.
The correct technique is to reduce the angle of attack first and to pick the wing up with rudder, or with spoilers where they are fitted. Note that the difficulty is not that ailerons are ineffective at low speed but that they act in the wrong direction once the section stalls.
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