OUPV & 100-Ton Master · Hull Identification Number

The Hull Identification Number (HIN) required on recreational vessels is:

Explanation

Since 1972 manufacturers must permanently mark a 12-character HIN, displayed on the starboard side of the transom (or aftermost starboard area). It uniquely identifies the boat for registration, recalls, and theft, much like a vehicle VIN.

Authority: 33 CFR Part 181

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