TUFF HULL HIN Decoder
Hull Identification Numbers beginning with THI were assigned by the US Coast Guard to TUFF HULL of TELLURIDE, CO. 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
THI
Location
TELLURIDE, CO
In business
since 2011
Status
Listed active in USCG records
TUFF HULL hulls (2011–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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TUFF HULL HIN FAQ
What does a TUFF HULL HIN look like?
It starts with the three characters "THI" — the Manufacturer Identification Code the US Coast Guard assigned to TUFF HULL — followed by a 5-character hull serial and a 4-character date code, 12 characters total. TUFF HULL hulls (2011–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is TUFF HULL still in business?
USCG records list TUFF HULL of TELLURIDE, CO in the MIC database (registered 2011).
How do I decode the year on a TUFF HULL HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. TUFF HULL hulls (2011–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 CO
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "TUFF HULL HIN Decoder," carwhere.com/hin-decoder/thi, last verified 2026-06-12.