KNAPPA BOAT BLDG CORP HIN Decoder
Hull Identification Numbers beginning with KBG were assigned by the US Coast Guard to KNAPPA BOAT BLDG CORP of ASTORIA, OR. The company is recorded as out of business since 1985 — 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
KBG
Location
ASTORIA, OR
In business
since 1981
Status
Out of business (1985)
KNAPPA BOAT BLDG CORP built hulls across both HIN eras (1981–1985): 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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KNAPPA BOAT BLDG CORP HIN FAQ
What does a KNAPPA BOAT BLDG CORP HIN look like?
It starts with the three characters "KBG" — the Manufacturer Identification Code the US Coast Guard assigned to KNAPPA BOAT BLDG CORP — followed by a 5-character hull serial and a 4-character date code, 12 characters total. KNAPPA BOAT BLDG CORP built hulls across both HIN eras (1981–1985): 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 KNAPPA BOAT BLDG CORP still in business?
USCG records list KNAPPA BOAT BLDG CORP as out of business since 1985. 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 KNAPPA BOAT BLDG CORP HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. KNAPPA BOAT BLDG CORP built hulls across both HIN eras (1981–1985): 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 OR
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "KNAPPA BOAT BLDG CORP HIN Decoder," carwhere.com/hin-decoder/kbg, last verified 2026-06-12.