BIG DADDY'S SPEED MARINE HIN Decoder
Hull Identification Numbers beginning with IWQ were assigned by the US Coast Guard to BIG DADDY'S SPEED MARINE of WAGONER, OK. 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
IWQ
Location
WAGONER, OK
In business
since 2004
Status
Listed active in USCG records
BIG DADDY'S SPEED MARINE hulls (2004–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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BIG DADDY'S SPEED MARINE HIN FAQ
What does a BIG DADDY'S SPEED MARINE HIN look like?
It starts with the three characters "IWQ" — the Manufacturer Identification Code the US Coast Guard assigned to BIG DADDY'S SPEED MARINE — followed by a 5-character hull serial and a 4-character date code, 12 characters total. BIG DADDY'S SPEED MARINE hulls (2004–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is BIG DADDY'S SPEED MARINE still in business?
USCG records list BIG DADDY'S SPEED MARINE of WAGONER, OK in the MIC database (registered 2004).
How do I decode the year on a BIG DADDY'S SPEED MARINE HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. BIG DADDY'S SPEED MARINE hulls (2004–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 OK
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "BIG DADDY'S SPEED MARINE HIN Decoder," carwhere.com/hin-decoder/iwq, last verified 2026-06-12.