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Sport Pilot Airplane practice question 11

An aircraft leaving ground effect during takeoff will

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Correct answer: B. experience an increase in induced drag and a decrease in performance.

Climbing out of ground effect, the wing needs a higher angle of attack for the same lift, and induced drag increases. Performance drops, and an airplane lifted off too slowly may settle back.

References

Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), p. 5-11, Aerodynamics of Flight · search it in our library

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Question 11 from the FAA document Sport Pilot Airplane (SPA) Sample Questions (U.S. Government work, public domain) · ACS/LSC code PLT131. The FAA does not publish an answer key; the answer and explanation are ours, with references. Verify against the current regulations and handbooks.