Which stability is stabilized by the Aileron?

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Study for the Principles of Flight Test. Learn with flashcards and multiple-choice questions, each question includes hints and explanations. Prepare for your exam with confidence!

Multiple Choice

Which stability is stabilized by the Aileron?

Explanation:
Roll stability, or the aircraft’s tendency to resist and damp changes in bank, is the aspect affected by the ailerons. Ailerons change lift on each wing to produce a rolling moment, helping the airplane return toward wings-level flight when disturbed in roll. This is why the ailerons are tied to lateral stability, the stability about the roll axis. In contrast, elevator activity governs pitch stability (longitudinal), and the rudder governs yaw stability (directional). So the ailerons primarily contribute to lateral stability.

Roll stability, or the aircraft’s tendency to resist and damp changes in bank, is the aspect affected by the ailerons. Ailerons change lift on each wing to produce a rolling moment, helping the airplane return toward wings-level flight when disturbed in roll. This is why the ailerons are tied to lateral stability, the stability about the roll axis. In contrast, elevator activity governs pitch stability (longitudinal), and the rudder governs yaw stability (directional). So the ailerons primarily contribute to lateral stability.

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