SOUTHBAY DUCK BOATS HIN Decoder
Hull Identification Numbers beginning with DCH were assigned by the US Coast Guard to SOUTHBAY DUCK BOATS of SAYVILLE, NY. The company is recorded as out of business since 2013 — 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
DCH
Location
SAYVILLE, NY
In business
since 1980
Status
Out of business (2013)
Parent company
GREAT SOUTH BAY DUCK BOATS
SOUTHBAY DUCK BOATS built hulls across both HIN eras (1980–2013): 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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SOUTHBAY DUCK BOATS HIN FAQ
What does a SOUTHBAY DUCK BOATS HIN look like?
It starts with the three characters "DCH" — the Manufacturer Identification Code the US Coast Guard assigned to SOUTHBAY DUCK BOATS — followed by a 5-character hull serial and a 4-character date code, 12 characters total. SOUTHBAY DUCK BOATS built hulls across both HIN eras (1980–2013): 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 SOUTHBAY DUCK BOATS still in business?
USCG records list SOUTHBAY DUCK BOATS as out of business since 2013 (associated with GREAT SOUTH BAY DUCK BOATS). 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 SOUTHBAY DUCK BOATS HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. SOUTHBAY DUCK BOATS built hulls across both HIN eras (1980–2013): 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, "SOUTHBAY DUCK BOATS HIN Decoder," carwhere.com/hin-decoder/dch, last verified 2026-06-12.