BLUE SEAS HIN Decoder
Hull Identification Numbers beginning with QQB were assigned by the US Coast Guard to BLUE SEAS. 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
QQB
Location
CANADA
In business
since 1999
Status
Listed active in USCG records
BLUE SEAS hulls (1999–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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BLUE SEAS HIN FAQ
What does a BLUE SEAS HIN look like?
It starts with the three characters "QQB" — the Manufacturer Identification Code the US Coast Guard assigned to BLUE SEAS — followed by a 5-character hull serial and a 4-character date code, 12 characters total. BLUE SEAS hulls (1999–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is BLUE SEAS still in business?
USCG records list BLUE SEAS in the MIC database (registered 1999).
How do I decode the year on a BLUE SEAS HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. BLUE SEAS hulls (1999–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.
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "BLUE SEAS HIN Decoder," carwhere.com/hin-decoder/qqb, last verified 2026-06-12.