SHEAFFER BOATS INC. HIN Decoder
Hull Identification Numbers beginning with OSJ were assigned by the US Coast Guard to SHEAFFER BOATS INC. of TAMPA, FL. The builder is listed in the USCG MIC database. Enter the full 12-character HIN below for build date, model year, and serial — free, no account.
MIC
OSJ
Location
TAMPA, FL
In business
since 2000
Status
Listed active in USCG records
SHEAFFER BOATS INC. hulls (2000–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Free · no account · the HIN is on the transom, upper starboard (right) corner
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SHEAFFER BOATS INC. HIN FAQ
What does a SHEAFFER BOATS INC. HIN look like?
It starts with the three characters "OSJ" — the Manufacturer Identification Code the US Coast Guard assigned to SHEAFFER BOATS INC. — followed by a 5-character hull serial and a 4-character date code, 12 characters total. SHEAFFER BOATS INC. hulls (2000–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is SHEAFFER BOATS INC. still in business?
USCG records list SHEAFFER BOATS INC. of TAMPA, FL in the MIC database (registered 2000).
How do I decode the year on a SHEAFFER BOATS INC. HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. SHEAFFER BOATS INC. hulls (2000–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits. Enter the full 12-character HIN above and the decoder works it out, including the legacy formats.
Other builders in FL
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "SHEAFFER BOATS INC. HIN Decoder," carwhere.com/hin-decoder/osj, last verified 2026-06-12.