NAUTALINE MFG CO INC HIN Decoder
Hull Identification Numbers beginning with NLM were assigned by the US Coast Guard to NAUTALINE MFG CO INC of FRANKLIN, KY. The company is recorded as out of business since 1996 — 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
NLM
Location
FRANKLIN, KY
In business
since 1992
Status
Out of business (1996)
NAUTALINE MFG CO INC hulls (1992–1996) 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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NAUTALINE MFG CO INC HIN FAQ
What does a NAUTALINE MFG CO INC HIN look like?
It starts with the three characters "NLM" — the Manufacturer Identification Code the US Coast Guard assigned to NAUTALINE MFG CO INC — followed by a 5-character hull serial and a 4-character date code, 12 characters total. NAUTALINE MFG CO INC hulls (1992–1996) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is NAUTALINE MFG CO INC still in business?
USCG records list NAUTALINE MFG CO INC as out of business since 1996. 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 NAUTALINE MFG CO INC HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. NAUTALINE MFG CO INC hulls (1992–1996) 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 KY
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "NAUTALINE MFG CO INC HIN Decoder," carwhere.com/hin-decoder/nlm, last verified 2026-06-12.