GULF OF MAINE BOATBUILDING HIN Decoder
Hull Identification Numbers beginning with GMA were assigned by the US Coast Guard to GULF OF MAINE BOATBUILDING of BANGOR, ME. 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
GMA
Location
BANGOR, ME
In business
since 2015
Status
Listed active in USCG records
GULF OF MAINE BOATBUILDING hulls (2015–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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GULF OF MAINE BOATBUILDING HIN FAQ
What does a GULF OF MAINE BOATBUILDING HIN look like?
It starts with the three characters "GMA" — the Manufacturer Identification Code the US Coast Guard assigned to GULF OF MAINE BOATBUILDING — followed by a 5-character hull serial and a 4-character date code, 12 characters total. GULF OF MAINE BOATBUILDING hulls (2015–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is GULF OF MAINE BOATBUILDING still in business?
USCG records list GULF OF MAINE BOATBUILDING of BANGOR, ME in the MIC database (registered 2015).
How do I decode the year on a GULF OF MAINE BOATBUILDING HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. GULF OF MAINE BOATBUILDING hulls (2015–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 ME
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "GULF OF MAINE BOATBUILDING HIN Decoder," carwhere.com/hin-decoder/gma, last verified 2026-06-12.