RON CHAPMAN SHIPWRIGHT INC HIN Decoder
Hull Identification Numbers beginning with RNP were assigned by the US Coast Guard to RON CHAPMAN SHIPWRIGHT INC of CHALMETTE, LA. 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
RNP
Location
CHALMETTE, LA
In business
since 1978
Status
Listed active in USCG records
RON CHAPMAN SHIPWRIGHT INC built hulls across both HIN eras (1978–present): boats before August 1984 carry legacy straight-year or model-year date codes; later hulls use the current month-letter format. The decoder handles all three.
Free · no account · the HIN is on the transom, upper starboard (right) corner
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RON CHAPMAN SHIPWRIGHT INC HIN FAQ
What does a RON CHAPMAN SHIPWRIGHT INC HIN look like?
It starts with the three characters "RNP" — the Manufacturer Identification Code the US Coast Guard assigned to RON CHAPMAN SHIPWRIGHT INC — followed by a 5-character hull serial and a 4-character date code, 12 characters total. RON CHAPMAN SHIPWRIGHT INC built hulls across both HIN eras (1978–present): boats before August 1984 carry legacy straight-year or model-year date codes; later hulls use the current month-letter format. The decoder handles all three.
Is RON CHAPMAN SHIPWRIGHT INC still in business?
USCG records list RON CHAPMAN SHIPWRIGHT INC of CHALMETTE, LA in the MIC database (registered 1978).
How do I decode the year on a RON CHAPMAN SHIPWRIGHT INC HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. RON CHAPMAN SHIPWRIGHT INC built hulls across both HIN eras (1978–present): boats before August 1984 carry legacy straight-year or model-year date codes; later hulls use the current month-letter format. The decoder handles all three. Enter the full 12-character HIN above and the decoder works it out, including the legacy formats.
Other builders in LA
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "RON CHAPMAN SHIPWRIGHT INC HIN Decoder," carwhere.com/hin-decoder/rnp, last verified 2026-06-12.