GREAT LAKES MARINE CONSULTNTS HIN Decoder
Hull Identification Numbers beginning with GNF were assigned by the US Coast Guard to GREAT LAKES MARINE CONSULTNTS of JUPITER, FL. 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
GNF
Location
JUPITER, FL
In business
since 1994
Status
Out of business (2002)
GREAT LAKES MARINE CONSULTNTS hulls (1994–2002) 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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GREAT LAKES MARINE CONSULTNTS HIN FAQ
What does a GREAT LAKES MARINE CONSULTNTS HIN look like?
It starts with the three characters "GNF" — the Manufacturer Identification Code the US Coast Guard assigned to GREAT LAKES MARINE CONSULTNTS — followed by a 5-character hull serial and a 4-character date code, 12 characters total. GREAT LAKES MARINE CONSULTNTS hulls (1994–2002) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is GREAT LAKES MARINE CONSULTNTS still in business?
USCG records list GREAT LAKES MARINE CONSULTNTS 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 GREAT LAKES MARINE CONSULTNTS HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. GREAT LAKES MARINE CONSULTNTS hulls (1994–2002) 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 FL
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "GREAT LAKES MARINE CONSULTNTS HIN Decoder," carwhere.com/hin-decoder/gnf, last verified 2026-06-12.