KARL WEINERT BOAT WORKS LLC HIN Decoder
Hull Identification Numbers beginning with SLW were assigned by the US Coast Guard to KARL WEINERT BOAT WORKS LLC of BIG SANDY, TN. The company is recorded as out of business since 2013 — 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
SLW
Location
BIG SANDY, TN
In business
since 2003
Status
Out of business (2013)
KARL WEINERT BOAT WORKS LLC hulls (2003–2013) 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
The optional $19.99 Boat History Report adds stolen-boat, salvage/auction, incident, and USCG documentation checks — one-time, no subscription (typical boat-history services charge $25+).
KARL WEINERT BOAT WORKS LLC HIN FAQ
What does a KARL WEINERT BOAT WORKS LLC HIN look like?
It starts with the three characters "SLW" — the Manufacturer Identification Code the US Coast Guard assigned to KARL WEINERT BOAT WORKS LLC — followed by a 5-character hull serial and a 4-character date code, 12 characters total. KARL WEINERT BOAT WORKS LLC hulls (2003–2013) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is KARL WEINERT BOAT WORKS LLC still in business?
USCG records list KARL WEINERT BOAT WORKS LLC as out of business since 2013. 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 KARL WEINERT BOAT WORKS LLC HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. KARL WEINERT BOAT WORKS LLC hulls (2003–2013) 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 TN
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "KARL WEINERT BOAT WORKS LLC HIN Decoder," carwhere.com/hin-decoder/slw, last verified 2026-06-12.