OCEAN INSTRUMENTS INC HIN Decoder
Hull Identification Numbers beginning with OIX were assigned by the US Coast Guard to OCEAN INSTRUMENTS INC of SAN DIEGO, CA. The company is recorded as out of business since 2001 — 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
OIX
Location
SAN DIEGO, CA
In business
since 1991
Status
Out of business (2001)
OCEAN INSTRUMENTS INC hulls (1991–2001) 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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OCEAN INSTRUMENTS INC HIN FAQ
What does a OCEAN INSTRUMENTS INC HIN look like?
It starts with the three characters "OIX" — the Manufacturer Identification Code the US Coast Guard assigned to OCEAN INSTRUMENTS INC — followed by a 5-character hull serial and a 4-character date code, 12 characters total. OCEAN INSTRUMENTS INC hulls (1991–2001) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is OCEAN INSTRUMENTS INC still in business?
USCG records list OCEAN INSTRUMENTS INC as out of business since 2001. 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 OCEAN INSTRUMENTS INC HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. OCEAN INSTRUMENTS INC hulls (1991–2001) 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 CA
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "OCEAN INSTRUMENTS INC HIN Decoder," carwhere.com/hin-decoder/oix, last verified 2026-06-12.