NEPTUNUS YACHTS INTERNATIONAL, INC HIN Decoder
Hull Identification Numbers beginning with YOS were assigned by the US Coast Guard to NEPTUNUS YACHTS INTERNATIONAL, INC of ST. CATHARINES, ON. 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
YOS
Location
ST. CATHARINES, ON
In business
since 2011
Status
Listed active in USCG records
NEPTUNUS YACHTS INTERNATIONAL, INC hulls (2011–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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NEPTUNUS YACHTS INTERNATIONAL, INC HIN FAQ
What does a NEPTUNUS YACHTS INTERNATIONAL, INC HIN look like?
It starts with the three characters "YOS" — the Manufacturer Identification Code the US Coast Guard assigned to NEPTUNUS YACHTS INTERNATIONAL, INC — followed by a 5-character hull serial and a 4-character date code, 12 characters total. NEPTUNUS YACHTS INTERNATIONAL, INC hulls (2011–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is NEPTUNUS YACHTS INTERNATIONAL, INC still in business?
USCG records list NEPTUNUS YACHTS INTERNATIONAL, INC of ST. CATHARINES, ON in the MIC database (registered 2011).
How do I decode the year on a NEPTUNUS YACHTS INTERNATIONAL, INC HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. NEPTUNUS YACHTS INTERNATIONAL, INC hulls (2011–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 ON
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "NEPTUNUS YACHTS INTERNATIONAL, INC HIN Decoder," carwhere.com/hin-decoder/yos, last verified 2026-06-12.