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The Hull Identification Number (HIN) is a unique 12-digit number assigned by the manufacturer to vessels built after 1972.

Hull identification number
  • Hull Identification Numbers:
    • Distinguish one vessel from another­—the same as serial numbers distinguish one car from another.
    • Are engraved in the fiberglass or on a metal plate permanently attached to the transom.
  • You should write down your HIN and put it in a place separate from your vessel in case warranty problems arise or your vessel is stolen.
  • Owners of vessels manufactured after October 1, 1972, or of homemade vessels that do not have a HIN must request an inspection by the LDWF. Upon favorable inspection, an agent of the LDWF will stamp an identification number on the hull.
  • It is illegal to remove or alter the HIN.