Boating Coach US
Boat capacity and constructionQuestion 322 of 352

May a hull identification number be attached to a removable part of the boat?

  1. Yes, to the engine cover
  2. Yes, to the seat cushion
  3. Yes, to a loose plate
  4. No, it must not be on removable parts
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Correct answer: No, it must not be on removable parts

A HIN must not go on parts that can be taken off.

Source: US Code of Federal Regulations (eCFR), 33 CFR Part 181: Manufacturer Requirements, § 181.29 Hull identification number display

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Questions last reviewed: 18 October 2026