TOP HAT BOATS HIN Decoder
Hull Identification Numbers beginning with THJ were assigned by the US Coast Guard to TOP HAT BOATS of KENNEWICK, WA. 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
THJ
Location
KENNEWICK, WA
In business
since 1995
Status
Listed active in USCG records
TOP HAT BOATS hulls (1995–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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TOP HAT BOATS HIN FAQ
What does a TOP HAT BOATS HIN look like?
It starts with the three characters "THJ" — the Manufacturer Identification Code the US Coast Guard assigned to TOP HAT BOATS — followed by a 5-character hull serial and a 4-character date code, 12 characters total. TOP HAT BOATS hulls (1995–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is TOP HAT BOATS still in business?
USCG records list TOP HAT BOATS of KENNEWICK, WA in the MIC database (registered 1995).
How do I decode the year on a TOP HAT BOATS HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. TOP HAT BOATS hulls (1995–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 WA
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "TOP HAT BOATS HIN Decoder," carwhere.com/hin-decoder/thj, last verified 2026-06-12.