NATIONAL BOAT COMPANY HIN Decoder
Hull Identification Numbers beginning with NBJ were assigned by the US Coast Guard to NATIONAL BOAT COMPANY of DEERFIELD, NH. The company is recorded as out of business since 2007 — 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
NBJ
Location
DEERFIELD, NH
In business
since 1982
Status
Out of business (2007)
NATIONAL BOAT COMPANY built hulls across both HIN eras (1982–2007): 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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NATIONAL BOAT COMPANY HIN FAQ
What does a NATIONAL BOAT COMPANY HIN look like?
It starts with the three characters "NBJ" — the Manufacturer Identification Code the US Coast Guard assigned to NATIONAL BOAT COMPANY — followed by a 5-character hull serial and a 4-character date code, 12 characters total. NATIONAL BOAT COMPANY built hulls across both HIN eras (1982–2007): 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 NATIONAL BOAT COMPANY still in business?
USCG records list NATIONAL BOAT COMPANY as out of business since 2007. 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 NATIONAL BOAT COMPANY HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. NATIONAL BOAT COMPANY built hulls across both HIN eras (1982–2007): 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 NH
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "NATIONAL BOAT COMPANY HIN Decoder," carwhere.com/hin-decoder/nbj, last verified 2026-06-12.