AerodynamicsQuestion 436 of 934

When is induced drag present?

  1. Whenever the airfoil produces lift
  2. Only when the airplane climbs or turns
  3. Only at high airspeed with flaps up
  4. Only when the flaps are extended
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Correct answer: Whenever the airfoil produces lift

Induced drag is inseparable from the production of lift. It is always present if lift is produced.

Source: Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), Chapter 5: Aerodynamics of Flight — Induced Drag, page 104

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Questions last reviewed: 18 October 2026