WATER OTTER INC HIN Decoder
Hull Identification Numbers beginning with WOT were assigned by the US Coast Guard to WATER OTTER INC of HAMILTON, MT. 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
WOT
Location
HAMILTON, MT
In business
since 2010
Status
Listed active in USCG records
WATER OTTER INC hulls (2010–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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WATER OTTER INC HIN FAQ
What does a WATER OTTER INC HIN look like?
It starts with the three characters "WOT" — the Manufacturer Identification Code the US Coast Guard assigned to WATER OTTER INC — followed by a 5-character hull serial and a 4-character date code, 12 characters total. WATER OTTER INC hulls (2010–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is WATER OTTER INC still in business?
USCG records list WATER OTTER INC of HAMILTON, MT in the MIC database (registered 2010).
How do I decode the year on a WATER OTTER INC HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. WATER OTTER INC hulls (2010–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 MT
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "WATER OTTER INC HIN Decoder," carwhere.com/hin-decoder/wot, last verified 2026-06-12.