ROCK PROOF BOATS HIN Decoder
Hull Identification Numbers beginning with VQI were assigned by the US Coast Guard to ROCK PROOF BOATS of MARYSVILLE, PA. 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
VQI
Location
MARYSVILLE, PA
In business
since 2006
Status
Listed active in USCG records
ROCK PROOF BOATS hulls (2006–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 PROOF BOATS HIN FAQ
What does a ROCK PROOF BOATS HIN look like?
It starts with the three characters "VQI" — the Manufacturer Identification Code the US Coast Guard assigned to ROCK PROOF BOATS — followed by a 5-character hull serial and a 4-character date code, 12 characters total. ROCK PROOF BOATS hulls (2006–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 PROOF BOATS still in business?
USCG records list ROCK PROOF BOATS of MARYSVILLE, PA in the MIC database (registered 2006).
How do I decode the year on a ROCK PROOF BOATS HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. ROCK PROOF BOATS hulls (2006–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 PA
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "ROCK PROOF BOATS HIN Decoder," carwhere.com/hin-decoder/vqi, last verified 2026-06-12.