NEPTUNE INC HIN Decoder
Hull Identification Numbers beginning with NET were assigned by the US Coast Guard to NEPTUNE INC of SOUTH BEND, IN. 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
NET
Location
SOUTH BEND, IN
In business
since 2013
Status
Listed active in USCG records
NEPTUNE INC hulls (2013–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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NEPTUNE INC HIN FAQ
What does a NEPTUNE INC HIN look like?
It starts with the three characters "NET" — the Manufacturer Identification Code the US Coast Guard assigned to NEPTUNE INC — followed by a 5-character hull serial and a 4-character date code, 12 characters total. NEPTUNE INC hulls (2013–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is NEPTUNE INC still in business?
USCG records list NEPTUNE INC of SOUTH BEND, IN in the MIC database (registered 2013).
How do I decode the year on a NEPTUNE INC HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. NEPTUNE INC hulls (2013–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 IN
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "NEPTUNE INC HIN Decoder," carwhere.com/hin-decoder/net, last verified 2026-06-12.