ADVANCE USA INC. HIN Decoder
Hull Identification Numbers beginning with AII were assigned by the US Coast Guard to ADVANCE USA INC. of EAST HADDAM, CT. The company is recorded as out of business since 2001 — 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
AII
Location
EAST HADDAM, CT
In business
since 1985
Status
Out of business (2001)
ADVANCE USA INC. hulls (1985–2001) 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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ADVANCE USA INC. HIN FAQ
What does a ADVANCE USA INC. HIN look like?
It starts with the three characters "AII" — the Manufacturer Identification Code the US Coast Guard assigned to ADVANCE USA INC. — followed by a 5-character hull serial and a 4-character date code, 12 characters total. ADVANCE USA INC. hulls (1985–2001) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is ADVANCE USA INC. still in business?
USCG records list ADVANCE USA INC. as out of business since 2001. 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 ADVANCE USA INC. HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. ADVANCE USA INC. hulls (1985–2001) 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 CT
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "ADVANCE USA INC. HIN Decoder," carwhere.com/hin-decoder/aii, last verified 2026-06-12.