J & J ASSOCIATES HIN Decoder
Hull Identification Numbers beginning with JJA were assigned by the US Coast Guard to J & J ASSOCIATES of YONKERS, NY. The company is recorded as out of business since 1980 — 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
JJA
Location
YONKERS, NY
In business
since 1980
Status
Out of business (1980)
J & J ASSOCIATES hulls (1980–1980) predate the current HIN format — expect the legacy straight-year (MMYY) or model-year (M + year + month letter) date codes used 1972–1984.
Free · no account · the HIN is on the transom, upper starboard (right) corner
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J & J ASSOCIATES HIN FAQ
What does a J & J ASSOCIATES HIN look like?
It starts with the three characters "JJA" — the Manufacturer Identification Code the US Coast Guard assigned to J & J ASSOCIATES — followed by a 5-character hull serial and a 4-character date code, 12 characters total. J & J ASSOCIATES hulls (1980–1980) predate the current HIN format — expect the legacy straight-year (MMYY) or model-year (M + year + month letter) date codes used 1972–1984.
Is J & J ASSOCIATES still in business?
USCG records list J & J ASSOCIATES as out of business since 1980. 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 J & J ASSOCIATES HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. J & J ASSOCIATES hulls (1980–1980) predate the current HIN format — expect the legacy straight-year (MMYY) or model-year (M + year + month letter) date codes used 1972–1984. Enter the full 12-character HIN above and the decoder works it out, including the legacy formats.
Other builders in NY
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "J & J ASSOCIATES HIN Decoder," carwhere.com/hin-decoder/jja, last verified 2026-06-12.