GREGORY LEARY FIBERGLASS SER. HIN Decoder
Hull Identification Numbers beginning with GDK were assigned by the US Coast Guard to GREGORY LEARY FIBERGLASS SER. of TUCKERTON, NJ. The company is recorded as out of business since 1991 — 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
GDK
Location
TUCKERTON, NJ
In business
since 1990
Status
Out of business (1991)
GREGORY LEARY FIBERGLASS SER. hulls (1990–1991) 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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GREGORY LEARY FIBERGLASS SER. HIN FAQ
What does a GREGORY LEARY FIBERGLASS SER. HIN look like?
It starts with the three characters "GDK" — the Manufacturer Identification Code the US Coast Guard assigned to GREGORY LEARY FIBERGLASS SER. — followed by a 5-character hull serial and a 4-character date code, 12 characters total. GREGORY LEARY FIBERGLASS SER. hulls (1990–1991) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is GREGORY LEARY FIBERGLASS SER. still in business?
USCG records list GREGORY LEARY FIBERGLASS SER. as out of business since 1991. 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 GREGORY LEARY FIBERGLASS SER. HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. GREGORY LEARY FIBERGLASS SER. hulls (1990–1991) 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 NJ
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "GREGORY LEARY FIBERGLASS SER. HIN Decoder," carwhere.com/hin-decoder/gdk, last verified 2026-06-12.