JAMES BLAIKLOCK BOATBUILDER HIN Decoder
Hull Identification Numbers beginning with JLK were assigned by the US Coast Guard to JAMES BLAIKLOCK BOATBUILDER of DEL MAR, CA. 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
JLK
Location
DEL MAR, CA
In business
—
Status
Out of business (1980)
JAMES BLAIKLOCK BOATBUILDER hulls (1972–1980) 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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JAMES BLAIKLOCK BOATBUILDER HIN FAQ
What does a JAMES BLAIKLOCK BOATBUILDER HIN look like?
It starts with the three characters "JLK" — the Manufacturer Identification Code the US Coast Guard assigned to JAMES BLAIKLOCK BOATBUILDER — followed by a 5-character hull serial and a 4-character date code, 12 characters total. JAMES BLAIKLOCK BOATBUILDER hulls (1972–1980) predate the current HIN format — expect the legacy straight-year (MMYY) or model-year (M + year + month letter) date codes used 1972–1984.
Is JAMES BLAIKLOCK BOATBUILDER still in business?
USCG records list JAMES BLAIKLOCK BOATBUILDER 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 JAMES BLAIKLOCK BOATBUILDER HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. JAMES BLAIKLOCK BOATBUILDER hulls (1972–1980) 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 CA
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "JAMES BLAIKLOCK BOATBUILDER HIN Decoder," carwhere.com/hin-decoder/jlk, last verified 2026-06-12.