TEST HIN Decoder
Hull Identification Numbers beginning with UUG were assigned by the US Coast Guard to TEST of Waterloo, IA. 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
UUG
Location
Waterloo, IA
In business
since 2019
Status
Listed active in USCG records
TEST hulls (2019–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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TEST HIN FAQ
What does a TEST HIN look like?
It starts with the three characters "UUG" — the Manufacturer Identification Code the US Coast Guard assigned to TEST — followed by a 5-character hull serial and a 4-character date code, 12 characters total. TEST hulls (2019–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is TEST still in business?
USCG records list TEST of Waterloo, IA in the MIC database (registered 2019).
How do I decode the year on a TEST HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. TEST hulls (2019–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 IA
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "TEST HIN Decoder," carwhere.com/hin-decoder/uug, last verified 2026-06-12.