GRAND ISLAND MANUFACTURING HIN Decoder
Hull Identification Numbers beginning with GIL were assigned by the US Coast Guard to GRAND ISLAND MANUFACTURING of GRAND RAPIDS, MN. 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
GIL
Location
GRAND RAPIDS, MN
In business
since 2011
Status
Listed active in USCG records
GRAND ISLAND MANUFACTURING hulls (2011–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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GRAND ISLAND MANUFACTURING HIN FAQ
What does a GRAND ISLAND MANUFACTURING HIN look like?
It starts with the three characters "GIL" — the Manufacturer Identification Code the US Coast Guard assigned to GRAND ISLAND MANUFACTURING — followed by a 5-character hull serial and a 4-character date code, 12 characters total. GRAND ISLAND MANUFACTURING hulls (2011–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is GRAND ISLAND MANUFACTURING still in business?
USCG records list GRAND ISLAND MANUFACTURING of GRAND RAPIDS, MN in the MIC database (registered 2011).
How do I decode the year on a GRAND ISLAND MANUFACTURING HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. GRAND ISLAND MANUFACTURING hulls (2011–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 MN
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "GRAND ISLAND MANUFACTURING HIN Decoder," carwhere.com/hin-decoder/gil, last verified 2026-06-12.