WINNINGHOFF BOAT BUILDERS LLC HIN Decoder
Hull Identification Numbers beginning with WIB were assigned by the US Coast Guard to WINNINGHOFF BOAT BUILDERS LLC of ROWLEY, 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
WIB
Location
ROWLEY, MA
In business
since 2018
Status
Listed active in USCG records
WINNINGHOFF BOAT BUILDERS LLC hulls (2018–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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WINNINGHOFF BOAT BUILDERS LLC HIN FAQ
What does a WINNINGHOFF BOAT BUILDERS LLC HIN look like?
It starts with the three characters "WIB" — the Manufacturer Identification Code the US Coast Guard assigned to WINNINGHOFF BOAT BUILDERS LLC — followed by a 5-character hull serial and a 4-character date code, 12 characters total. WINNINGHOFF BOAT BUILDERS LLC hulls (2018–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is WINNINGHOFF BOAT BUILDERS LLC still in business?
USCG records list WINNINGHOFF BOAT BUILDERS LLC of ROWLEY, MA in the MIC database (registered 2018).
How do I decode the year on a WINNINGHOFF BOAT BUILDERS LLC HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. WINNINGHOFF BOAT BUILDERS LLC hulls (2018–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, "WINNINGHOFF BOAT BUILDERS LLC HIN Decoder," carwhere.com/hin-decoder/wib, last verified 2026-06-12.