DURANAUTIC INC HIN Decoder
Hull Identification Numbers beginning with DNU were assigned by the US Coast Guard to DURANAUTIC INC of WAPPINGERS FL, NY. The company is recorded as out of business since 1990 — common for older hulls, and useful to know when hunting parts or records. Enter the full 12-character HIN below for build date, model year, and serial — free, no account.
MIC
DNU
Location
WAPPINGERS FL, NY
In business
since 1978
Status
Out of business (1990)
DURANAUTIC INC built hulls across both HIN eras (1978–1990): 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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DURANAUTIC INC HIN FAQ
What does a DURANAUTIC INC HIN look like?
It starts with the three characters "DNU" — the Manufacturer Identification Code the US Coast Guard assigned to DURANAUTIC INC — followed by a 5-character hull serial and a 4-character date code, 12 characters total. DURANAUTIC INC built hulls across both HIN eras (1978–1990): 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 DURANAUTIC INC still in business?
USCG records list DURANAUTIC INC as out of business since 1990. That's common for older hulls — the HIN still decodes normally, and the out-of-business date helps date the boat and guides parts-hunting toward salvage and owner groups rather than a dealer network.
How do I decode the year on a DURANAUTIC INC HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. DURANAUTIC INC built hulls across both HIN eras (1978–1990): 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 NY
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "DURANAUTIC INC HIN Decoder," carwhere.com/hin-decoder/dnu, last verified 2026-06-12.