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Flight rulesQuestion 51 of 934

An in-flight emergency needs immediate action. What may the pilot in command do?

  1. Deviate only from the airspace rules, never from the equipment rules
  2. Deviate only after ATC gives approval for each change
  3. Deviate from any Part 91 rule as the emergency requires
  4. Deviate only if every passenger agrees to the change
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Correct answer: Deviate from any Part 91 rule as the emergency requires

The pilot may deviate from any rule of Part 91 to the extent needed for the emergency.

Source: 14 CFR Part 91, § 91.3 Responsibility and authority of the pilot in command.

Practice flight rules

Questions last reviewed: 18 October 2026