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Flight rulesQuestion 79 of 934

A pilot has an ATC clearance but is not sure about it. What must the pilot do?

  1. Follow the part the pilot understands
  2. Do nothing until ATC calls again
  3. Ask ATC at once to clarify
  4. Climb to a higher altitude
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Correct answer: Ask ATC at once to clarify

When uncertain of a clearance, the pilot shall immediately request clarification from ATC.

Source: 14 CFR Part 91, § 91.123 Compliance with ATC clearances and instructions.

Practice flight rules

Questions last reviewed: 18 October 2026