RULE STEEL HIN Decoder
Hull Identification Numbers beginning with RUT were assigned by the US Coast Guard to RULE STEEL of CALDWELL, ID. 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
RUT
Location
CALDWELL, ID
In business
since 1987
Status
Listed active in USCG records
RULE STEEL hulls (1987–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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RULE STEEL HIN FAQ
What does a RULE STEEL HIN look like?
It starts with the three characters "RUT" — the Manufacturer Identification Code the US Coast Guard assigned to RULE STEEL — followed by a 5-character hull serial and a 4-character date code, 12 characters total. RULE STEEL hulls (1987–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is RULE STEEL still in business?
USCG records list RULE STEEL of CALDWELL, ID in the MIC database (registered 1987).
How do I decode the year on a RULE STEEL HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. RULE STEEL hulls (1987–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 ID
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "RULE STEEL HIN Decoder," carwhere.com/hin-decoder/rut, last verified 2026-06-12.