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Aircraft systems and instrumentsQuestion 542 of 934

What should the ASI read before takeoff?

  1. Zero, unless a strong wind hits the pitot tube
  2. The rotation speed given in the AFM or POH
  3. The stall speed with the flaps fully retracted
  4. The speed of the wind at the airport in knots
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Correct answer: Zero, unless a strong wind hits the pitot tube

When starting the takeoff roll, the pilot should make sure that the airspeed increases at an appropriate rate.

Source: Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), Chapter 8: Flight Instruments — Airspeed Indicator Markings — Instrument Check, page 212

Practice aircraft systems and instruments

Questions last reviewed: 18 October 2026