NASH BOATWORKS HIN Decoder
Hull Identification Numbers beginning with NBT were assigned by the US Coast Guard to NASH BOATWORKS of CHICAGO, IL. 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
NBT
Location
CHICAGO, IL
In business
since 2018
Status
Listed active in USCG records
NASH BOATWORKS hulls (2018–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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NASH BOATWORKS HIN FAQ
What does a NASH BOATWORKS HIN look like?
It starts with the three characters "NBT" — the Manufacturer Identification Code the US Coast Guard assigned to NASH BOATWORKS — followed by a 5-character hull serial and a 4-character date code, 12 characters total. NASH BOATWORKS hulls (2018–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is NASH BOATWORKS still in business?
USCG records list NASH BOATWORKS of CHICAGO, IL in the MIC database (registered 2018).
How do I decode the year on a NASH BOATWORKS HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. NASH BOATWORKS hulls (2018–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 IL
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "NASH BOATWORKS HIN Decoder," carwhere.com/hin-decoder/nbt, last verified 2026-06-12.