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Aircraft systems and instrumentsQuestion 524 of 934

A preflight altimeter check shows an error of more than 75 feet from the surveyed field elevation. What should the pilot do?

  1. Add the error to each altimeter reading in flight
  2. Reset the altimeter to 29.92 for the whole flight
  3. Ignore the error because the flight is VFR
  4. Send it to a certificated repair station
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Correct answer: Send it to a certificated repair station

The pilot sets the current altimeter setting for this check.

Source: Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), Chapter 8: Flight Instruments — Altimeter — Instrument Check, page 209

Practice aircraft systems and instruments

Questions last reviewed: 18 October 2026