RONIN SHIPBUILDING CO INC HIN Decoder
Hull Identification Numbers beginning with RSN were assigned by the US Coast Guard to RONIN SHIPBUILDING CO INC of PONCE, PR. The company is recorded as out of business since 2004 — 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
RSN
Location
PONCE, PR
In business
since 1991
Status
Out of business (2004)
RONIN SHIPBUILDING CO INC hulls (1991–2004) 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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RONIN SHIPBUILDING CO INC HIN FAQ
What does a RONIN SHIPBUILDING CO INC HIN look like?
It starts with the three characters "RSN" — the Manufacturer Identification Code the US Coast Guard assigned to RONIN SHIPBUILDING CO INC — followed by a 5-character hull serial and a 4-character date code, 12 characters total. RONIN SHIPBUILDING CO INC hulls (1991–2004) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is RONIN SHIPBUILDING CO INC still in business?
USCG records list RONIN SHIPBUILDING CO INC as out of business since 2004. 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 RONIN SHIPBUILDING CO INC HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. RONIN SHIPBUILDING CO INC hulls (1991–2004) 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 PR
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "RONIN SHIPBUILDING CO INC HIN Decoder," carwhere.com/hin-decoder/rsn, last verified 2026-06-12.