NORTON BOAT WORKS HIN Decoder
Hull Identification Numbers beginning with NBA were assigned by the US Coast Guard to NORTON BOAT WORKS of GREEN LAKE, WI. 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
NBA
Location
GREEN LAKE, WI
In business
since 1976
Status
Listed active in USCG records
NORTON BOAT WORKS built hulls across both HIN eras (1976–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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NORTON BOAT WORKS HIN FAQ
What does a NORTON BOAT WORKS HIN look like?
It starts with the three characters "NBA" — the Manufacturer Identification Code the US Coast Guard assigned to NORTON BOAT WORKS — followed by a 5-character hull serial and a 4-character date code, 12 characters total. NORTON BOAT WORKS built hulls across both HIN eras (1976–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 NORTON BOAT WORKS still in business?
USCG records list NORTON BOAT WORKS of GREEN LAKE, WI in the MIC database (registered 1976).
How do I decode the year on a NORTON BOAT WORKS HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. NORTON BOAT WORKS built hulls across both HIN eras (1976–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 WI
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "NORTON BOAT WORKS HIN Decoder," carwhere.com/hin-decoder/nba, last verified 2026-06-12.