CHARLES MILL MARINA HIN Decoder
Hull Identification Numbers beginning with OHS were assigned by the US Coast Guard to CHARLES MILL MARINA of MANSFIELD, OH. 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
OHS
Location
MANSFIELD, OH
In business
since 1999
Status
Listed active in USCG records
CHARLES MILL MARINA hulls (1999–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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CHARLES MILL MARINA HIN FAQ
What does a CHARLES MILL MARINA HIN look like?
It starts with the three characters "OHS" — the Manufacturer Identification Code the US Coast Guard assigned to CHARLES MILL MARINA — followed by a 5-character hull serial and a 4-character date code, 12 characters total. CHARLES MILL MARINA hulls (1999–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is CHARLES MILL MARINA still in business?
USCG records list CHARLES MILL MARINA of MANSFIELD, OH in the MIC database (registered 1999).
How do I decode the year on a CHARLES MILL MARINA HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. CHARLES MILL MARINA hulls (1999–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 OH
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "CHARLES MILL MARINA HIN Decoder," carwhere.com/hin-decoder/ohs, last verified 2026-06-12.