Aeromedical factorsQuestion 745 of 934

How long should a person wait after any scuba dive before flying at altitudes above 8,000 feet?

  1. At least 12 hours
  2. At least 24 hours
  3. At least 18 hours
  4. At least 36 hours
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Correct answer: At least 24 hours

The AIM recommends at least 24 hours after any scuba dive before flying above 8,000 feet.

Source: Aeronautical Information Manual (FAA, Basic with Change 3, 9 July 2026), AIM 8-1-2 Effects of Altitude, page 643

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Questions last reviewed: 18 October 2026