Aeromedical factorsQuestion 731 of 934

An updraft gives a pilot the false feeling of a climb. What is this illusion?

  1. The inversion illusion
  2. The coriolis illusion
  3. The autokinesis illusion
  4. The elevator illusion
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Correct answer: The elevator illusion

An abrupt upward vertical acceleration can create the elevator illusion. The pilot may push the nose down.

Source: Aeronautical Information Manual (FAA, Basic with Change 3, 9 July 2026), AIM 8-1-5 Illusions in Flight, page 644

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Questions last reviewed: 18 October 2026