GIBBS SPORTS AMPHIBIANS INC HIN Decoder
Hull Identification Numbers beginning with GSA were assigned by the US Coast Guard to GIBBS SPORTS AMPHIBIANS INC of AUBURN HILLS, MI. 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
GSA
Location
AUBURN HILLS, MI
In business
since 2012
Status
Listed active in USCG records
GIBBS SPORTS AMPHIBIANS INC hulls (2012–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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GIBBS SPORTS AMPHIBIANS INC HIN FAQ
What does a GIBBS SPORTS AMPHIBIANS INC HIN look like?
It starts with the three characters "GSA" — the Manufacturer Identification Code the US Coast Guard assigned to GIBBS SPORTS AMPHIBIANS INC — followed by a 5-character hull serial and a 4-character date code, 12 characters total. GIBBS SPORTS AMPHIBIANS INC hulls (2012–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is GIBBS SPORTS AMPHIBIANS INC still in business?
USCG records list GIBBS SPORTS AMPHIBIANS INC of AUBURN HILLS, MI in the MIC database (registered 2012).
How do I decode the year on a GIBBS SPORTS AMPHIBIANS INC HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. GIBBS SPORTS AMPHIBIANS INC hulls (2012–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 MI
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "GIBBS SPORTS AMPHIBIANS INC HIN Decoder," carwhere.com/hin-decoder/gsa, last verified 2026-06-12.