Boating Coach US
Federal law and registrationQuestion 1 of 352

Where must the registration number be displayed on a boat?

  1. On the transom only
  2. On the top of the cabin
  3. On each side of the forward half
  4. On the keel line
Show answer

Correct answer: On each side of the forward half

The number goes on both sides of the forward half of the vessel.

Source: US Code of Federal Regulations (eCFR), 33 CFR Part 173: Vessel Numbering and Casualty and Accident Reporting, § 173.27 Numbers: Display; size; color

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Questions last reviewed: 18 October 2026