Boating Coach US
Federal law and registrationQuestion 8 of 352

What must an operator have on board a numbered boat?

  1. A valid certificate of number, on paper or in digital form
  2. The title of the boat only
  3. A copy of the insurance form
  4. The receipt of the last repair
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Correct answer: A valid certificate of number, on paper or in digital form

The certificate may be carried in hard copy or digital form.

Source: US Code of Federal Regulations (eCFR), 33 CFR Part 173: Vessel Numbering and Casualty and Accident Reporting, § 173.21 Certificate of number required

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Questions last reviewed: 18 October 2026