FATTY KNEES BOAT CO LLC HIN Decoder
Hull Identification Numbers beginning with FNF were assigned by the US Coast Guard to FATTY KNEES BOAT CO LLC of SAGAMORE BEACH, MA. 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
FNF
Location
SAGAMORE BEACH, MA
In business
since 2011
Status
Listed active in USCG records
FATTY KNEES BOAT CO LLC hulls (2011–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Free · no account · the HIN is on the transom, upper starboard (right) corner
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FATTY KNEES BOAT CO LLC HIN FAQ
What does a FATTY KNEES BOAT CO LLC HIN look like?
It starts with the three characters "FNF" — the Manufacturer Identification Code the US Coast Guard assigned to FATTY KNEES BOAT CO LLC — followed by a 5-character hull serial and a 4-character date code, 12 characters total. FATTY KNEES BOAT CO LLC hulls (2011–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is FATTY KNEES BOAT CO LLC still in business?
USCG records list FATTY KNEES BOAT CO LLC of SAGAMORE BEACH, MA in the MIC database (registered 2011).
How do I decode the year on a FATTY KNEES BOAT CO LLC HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. FATTY KNEES BOAT CO LLC hulls (2011–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits. Enter the full 12-character HIN above and the decoder works it out, including the legacy formats.
Other builders in MA
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "FATTY KNEES BOAT CO LLC HIN Decoder," carwhere.com/hin-decoder/fnf, last verified 2026-06-12.