DONALD L THOMPSON HIN Decoder
Hull Identification Numbers beginning with DLT were assigned by the US Coast Guard to DONALD L THOMPSON of AVENUE, MD. The company is recorded as out of business since 2019 — 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
DLT
Location
AVENUE, MD
In business
since 1995
Status
Out of business (2019)
DONALD L THOMPSON hulls (1995–2019) 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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DONALD L THOMPSON HIN FAQ
What does a DONALD L THOMPSON HIN look like?
It starts with the three characters "DLT" — the Manufacturer Identification Code the US Coast Guard assigned to DONALD L THOMPSON — followed by a 5-character hull serial and a 4-character date code, 12 characters total. DONALD L THOMPSON hulls (1995–2019) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is DONALD L THOMPSON still in business?
USCG records list DONALD L THOMPSON as out of business since 2019. 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 DONALD L THOMPSON HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. DONALD L THOMPSON hulls (1995–2019) 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 MD
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "DONALD L THOMPSON HIN Decoder," carwhere.com/hin-decoder/dlt, last verified 2026-06-12.