DELTA MARINE INDUSTRIES INC HIN Decoder
Hull Identification Numbers beginning with DLU were assigned by the US Coast Guard to DELTA MARINE INDUSTRIES INC of SEATTLE, WA. 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
DLU
Location
SEATTLE, WA
In business
since 1979
Status
Listed active in USCG records
DELTA MARINE INDUSTRIES INC built hulls across both HIN eras (1979–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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DELTA MARINE INDUSTRIES INC HIN FAQ
What does a DELTA MARINE INDUSTRIES INC HIN look like?
It starts with the three characters "DLU" — the Manufacturer Identification Code the US Coast Guard assigned to DELTA MARINE INDUSTRIES INC — followed by a 5-character hull serial and a 4-character date code, 12 characters total. DELTA MARINE INDUSTRIES INC built hulls across both HIN eras (1979–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 DELTA MARINE INDUSTRIES INC still in business?
USCG records list DELTA MARINE INDUSTRIES INC of SEATTLE, WA in the MIC database (registered 1979).
How do I decode the year on a DELTA MARINE INDUSTRIES INC HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. DELTA MARINE INDUSTRIES INC built hulls across both HIN eras (1979–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 WA
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "DELTA MARINE INDUSTRIES INC HIN Decoder," carwhere.com/hin-decoder/dlu, last verified 2026-06-12.