ULTRALIGHT BOATWORKS LLC HIN Decoder
Hull Identification Numbers beginning with ULW were assigned by the US Coast Guard to ULTRALIGHT BOATWORKS LLC of BAYOU VISTA, TX. 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
ULW
Location
BAYOU VISTA, TX
In business
since 2004
Status
Listed active in USCG records
ULTRALIGHT BOATWORKS LLC hulls (2004–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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ULTRALIGHT BOATWORKS LLC HIN FAQ
What does a ULTRALIGHT BOATWORKS LLC HIN look like?
It starts with the three characters "ULW" — the Manufacturer Identification Code the US Coast Guard assigned to ULTRALIGHT BOATWORKS LLC — followed by a 5-character hull serial and a 4-character date code, 12 characters total. ULTRALIGHT BOATWORKS LLC hulls (2004–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is ULTRALIGHT BOATWORKS LLC still in business?
USCG records list ULTRALIGHT BOATWORKS LLC of BAYOU VISTA, TX in the MIC database (registered 2004).
How do I decode the year on a ULTRALIGHT BOATWORKS LLC HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. ULTRALIGHT BOATWORKS LLC hulls (2004–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 TX
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "ULTRALIGHT BOATWORKS LLC HIN Decoder," carwhere.com/hin-decoder/ulw, last verified 2026-06-12.