GRANT'S FIBERGLASSING, INC. HIN Decoder
Hull Identification Numbers beginning with GFY were assigned by the US Coast Guard to GRANT'S FIBERGLASSING, INC. of MOORE HAVEN, FL. 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
GFY
Location
MOORE HAVEN, FL
In business
since 1979
Status
Listed active in USCG records
GRANT'S FIBERGLASSING, INC. built hulls across both HIN eras (1979–present): boats before August 1984 carry legacy straight-year or model-year date codes; later hulls use the current month-letter format. The decoder handles all three.
Free · no account · the HIN is on the transom, upper starboard (right) corner
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GRANT'S FIBERGLASSING, INC. HIN FAQ
What does a GRANT'S FIBERGLASSING, INC. HIN look like?
It starts with the three characters "GFY" — the Manufacturer Identification Code the US Coast Guard assigned to GRANT'S FIBERGLASSING, INC. — followed by a 5-character hull serial and a 4-character date code, 12 characters total. GRANT'S FIBERGLASSING, INC. built hulls across both HIN eras (1979–present): boats before August 1984 carry legacy straight-year or model-year date codes; later hulls use the current month-letter format. The decoder handles all three.
Is GRANT'S FIBERGLASSING, INC. still in business?
USCG records list GRANT'S FIBERGLASSING, INC. of MOORE HAVEN, FL in the MIC database (registered 1979).
How do I decode the year on a GRANT'S FIBERGLASSING, INC. HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. GRANT'S FIBERGLASSING, INC. built hulls across both HIN eras (1979–present): boats before August 1984 carry legacy straight-year or model-year date codes; later hulls use the current month-letter format. The decoder handles all three. 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, "GRANT'S FIBERGLASSING, INC. HIN Decoder," carwhere.com/hin-decoder/gfy, last verified 2026-06-12.