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Performance and weight and balanceQuestion 850 of 934

An airplane lands at twice the planned speed. About how does the distance needed to stop change?

  1. It increases to about four times the distance
  2. It increases to about twice the distance
  3. It increases to about eight times the distance
  4. It stays about the same
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Correct answer: It increases to about four times the distance

At 75 knots an airplane has four times the energy it has at 37 knots, so it needs four times the stopping distance.

Source: Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), Chapter 11: Aircraft Performance — Takeoff and Landing Performance, page 268

Practice performance and weight and balance

Questions last reviewed: 18 October 2026