STUART MARINE CORP HIN Decoder
Hull Identification Numbers beginning with RSO were assigned by the US Coast Guard to STUART MARINE CORP of ROCKLAND, ME. 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
RSO
Location
ROCKLAND, ME
In business
since 1985
Status
Listed active in USCG records
STUART MARINE CORP hulls (1985–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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STUART MARINE CORP HIN FAQ
What does a STUART MARINE CORP HIN look like?
It starts with the three characters "RSO" — the Manufacturer Identification Code the US Coast Guard assigned to STUART MARINE CORP — followed by a 5-character hull serial and a 4-character date code, 12 characters total. STUART MARINE CORP hulls (1985–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is STUART MARINE CORP still in business?
USCG records list STUART MARINE CORP of ROCKLAND, ME in the MIC database (registered 1985).
How do I decode the year on a STUART MARINE CORP HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. STUART MARINE CORP hulls (1985–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 ME
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "STUART MARINE CORP HIN Decoder," carwhere.com/hin-decoder/rso, last verified 2026-06-12.