CIRCRAFT BOATS LTD USA HIN Decoder
Hull Identification Numbers beginning with CIO were assigned by the US Coast Guard to CIRCRAFT BOATS LTD USA of CHARLOTTE, NC. The company is recorded as out of business since 1990 — 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
CIO
Location
CHARLOTTE, NC
In business
since 1984
Status
Out of business (1990)
CIRCRAFT BOATS LTD USA built hulls across both HIN eras (1984–1990): boats before August 1984 carry legacy straight-year or model-year date codes; later hulls use the current month-letter format. The decoder handles all three.
Free · no account · the HIN is on the transom, upper starboard (right) corner
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CIRCRAFT BOATS LTD USA HIN FAQ
What does a CIRCRAFT BOATS LTD USA HIN look like?
It starts with the three characters "CIO" — the Manufacturer Identification Code the US Coast Guard assigned to CIRCRAFT BOATS LTD USA — followed by a 5-character hull serial and a 4-character date code, 12 characters total. CIRCRAFT BOATS LTD USA built hulls across both HIN eras (1984–1990): boats before August 1984 carry legacy straight-year or model-year date codes; later hulls use the current month-letter format. The decoder handles all three.
Is CIRCRAFT BOATS LTD USA still in business?
USCG records list CIRCRAFT BOATS LTD USA as out of business since 1990. 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 CIRCRAFT BOATS LTD USA HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. CIRCRAFT BOATS LTD USA built hulls across both HIN eras (1984–1990): boats before August 1984 carry legacy straight-year or model-year date codes; later hulls use the current month-letter format. The decoder handles all three. Enter the full 12-character HIN above and the decoder works it out, including the legacy formats.
Other builders in NC
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "CIRCRAFT BOATS LTD USA HIN Decoder," carwhere.com/hin-decoder/cio, last verified 2026-06-12.