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