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Flight rulesQuestion 99 of 934

A pilot flies a U.S. civil airplane. Besides an airworthiness certificate, what document must be on board?

  1. The pilot's logbook
  2. The aircraft maintenance logbook
  3. A U.S. registration certificate
  4. A copy of the filed flight plan
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Correct answer: A U.S. registration certificate

The aircraft must have an effective U.S. registration certificate, as well as an appropriate and current airworthiness certificate.

Source: 14 CFR Part 91, § 91.203 Civil aircraft: Certifications required.

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Questions last reviewed: 18 October 2026