ROCK BOTTOM INDUSTRIES LTD HIN Decoder
Hull Identification Numbers beginning with YTJ were assigned by the US Coast Guard to ROCK BOTTOM INDUSTRIES LTD of FORT ST JOHN, BC. 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
YTJ
Location
FORT ST JOHN, BC
In business
since 2014
Status
Listed active in USCG records
ROCK BOTTOM INDUSTRIES LTD hulls (2014–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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ROCK BOTTOM INDUSTRIES LTD HIN FAQ
What does a ROCK BOTTOM INDUSTRIES LTD HIN look like?
It starts with the three characters "YTJ" — the Manufacturer Identification Code the US Coast Guard assigned to ROCK BOTTOM INDUSTRIES LTD — followed by a 5-character hull serial and a 4-character date code, 12 characters total. ROCK BOTTOM INDUSTRIES LTD hulls (2014–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is ROCK BOTTOM INDUSTRIES LTD still in business?
USCG records list ROCK BOTTOM INDUSTRIES LTD of FORT ST JOHN, BC in the MIC database (registered 2014).
How do I decode the year on a ROCK BOTTOM INDUSTRIES LTD HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. ROCK BOTTOM INDUSTRIES LTD hulls (2014–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 BC
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "ROCK BOTTOM INDUSTRIES LTD HIN Decoder," carwhere.com/hin-decoder/ytj, last verified 2026-06-12.