SONDERBORG YACHT WORKS HIN Decoder
Hull Identification Numbers beginning with SGR were assigned by the US Coast Guard to SONDERBORG YACHT WORKS of SONDERBORG. 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
SGR
Location
SONDERBORG
In business
since 1976
Status
Out of business (2006)
SONDERBORG YACHT WORKS built hulls across both HIN eras (1976–2006): boats before August 1984 carry legacy straight-year or model-year date codes; later hulls use the current month-letter format. The decoder handles all three.
Free · no account · the HIN is on the transom, upper starboard (right) corner
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SONDERBORG YACHT WORKS HIN FAQ
What does a SONDERBORG YACHT WORKS HIN look like?
It starts with the three characters "SGR" — the Manufacturer Identification Code the US Coast Guard assigned to SONDERBORG YACHT WORKS — followed by a 5-character hull serial and a 4-character date code, 12 characters total. SONDERBORG YACHT WORKS built hulls across both HIN eras (1976–2006): boats before August 1984 carry legacy straight-year or model-year date codes; later hulls use the current month-letter format. The decoder handles all three.
Is SONDERBORG YACHT WORKS still in business?
USCG records list SONDERBORG YACHT WORKS 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 SONDERBORG YACHT WORKS HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. SONDERBORG YACHT WORKS built hulls across both HIN eras (1976–2006): boats before August 1984 carry legacy straight-year or model-year date codes; later hulls use the current month-letter format. The decoder handles all three. Enter the full 12-character HIN above and the decoder works it out, including the legacy formats.
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "SONDERBORG YACHT WORKS HIN Decoder," carwhere.com/hin-decoder/sgr, last verified 2026-06-12.