QUADROFOIL HIN Decoder
Hull Identification Numbers beginning with AQF were assigned by the US Coast Guard to QUADROFOIL of SAN DIEGO, CA. 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
AQF
Location
SAN DIEGO, CA
In business
since 2018
Status
Listed active in USCG records
Parent company
QUADROFOIL AMERICAS LLC
QUADROFOIL hulls (2018–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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QUADROFOIL HIN FAQ
What does a QUADROFOIL HIN look like?
It starts with the three characters "AQF" — the Manufacturer Identification Code the US Coast Guard assigned to QUADROFOIL — followed by a 5-character hull serial and a 4-character date code, 12 characters total. QUADROFOIL hulls (2018–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is QUADROFOIL still in business?
USCG records list QUADROFOIL of SAN DIEGO, CA in the MIC database (registered 2018), associated with QUADROFOIL AMERICAS LLC.
How do I decode the year on a QUADROFOIL HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. QUADROFOIL hulls (2018–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 CA
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "QUADROFOIL HIN Decoder," carwhere.com/hin-decoder/aqf, last verified 2026-06-12.