TWIN RIVERS BOAT CO HIN Decoder
Hull Identification Numbers beginning with TWR were assigned by the US Coast Guard to TWIN RIVERS BOAT CO of ST. CHARLES, MO. The company is recorded as out of business since 2002 — common for older hulls, and useful to know when hunting parts or records. Enter the full 12-character HIN below for build date, model year, and serial — free, no account.
MIC
TWR
Location
ST. CHARLES, MO
In business
since 1989
Status
Out of business (2002)
TWIN RIVERS BOAT CO hulls (1989–2002) 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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TWIN RIVERS BOAT CO HIN FAQ
What does a TWIN RIVERS BOAT CO HIN look like?
It starts with the three characters "TWR" — the Manufacturer Identification Code the US Coast Guard assigned to TWIN RIVERS BOAT CO — followed by a 5-character hull serial and a 4-character date code, 12 characters total. TWIN RIVERS BOAT CO hulls (1989–2002) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is TWIN RIVERS BOAT CO still in business?
USCG records list TWIN RIVERS BOAT CO as out of business since 2002. That's common for older hulls — the HIN still decodes normally, and the out-of-business date helps date the boat and guides parts-hunting toward salvage and owner groups rather than a dealer network.
How do I decode the year on a TWIN RIVERS BOAT CO HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. TWIN RIVERS BOAT CO hulls (1989–2002) 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 MO
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "TWIN RIVERS BOAT CO HIN Decoder," carwhere.com/hin-decoder/twr, last verified 2026-06-12.