CLYDE ALUMINUM WELDING HIN Decoder
Hull Identification Numbers beginning with CQL were assigned by the US Coast Guard to CLYDE ALUMINUM WELDING of PIERRE PART, LA. The company is recorded as out of business since 2006 — 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
CQL
Location
PIERRE PART, LA
In business
since 1985
Status
Out of business (2006)
CLYDE ALUMINUM WELDING hulls (1985–2006) 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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CLYDE ALUMINUM WELDING HIN FAQ
What does a CLYDE ALUMINUM WELDING HIN look like?
It starts with the three characters "CQL" — the Manufacturer Identification Code the US Coast Guard assigned to CLYDE ALUMINUM WELDING — followed by a 5-character hull serial and a 4-character date code, 12 characters total. CLYDE ALUMINUM WELDING hulls (1985–2006) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is CLYDE ALUMINUM WELDING still in business?
USCG records list CLYDE ALUMINUM WELDING as out of business since 2006. 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 CLYDE ALUMINUM WELDING HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. CLYDE ALUMINUM WELDING hulls (1985–2006) 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 LA
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "CLYDE ALUMINUM WELDING HIN Decoder," carwhere.com/hin-decoder/cql, last verified 2026-06-12.