SILVERBACK MARINE HIN Decoder
Hull Identification Numbers beginning with SIB were assigned by the US Coast Guard to SILVERBACK MARINE of SEATTLE, WA. The builder is listed in the USCG MIC database. Enter the full 12-character HIN below for build date, model year, and serial — free, no account.
MIC
SIB
Location
SEATTLE, WA
In business
since 2017
Status
Listed active in USCG records
SILVERBACK MARINE hulls (2017–present) 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+).
SILVERBACK MARINE HIN FAQ
What does a SILVERBACK MARINE HIN look like?
It starts with the three characters "SIB" — the Manufacturer Identification Code the US Coast Guard assigned to SILVERBACK MARINE — followed by a 5-character hull serial and a 4-character date code, 12 characters total. SILVERBACK MARINE hulls (2017–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is SILVERBACK MARINE still in business?
USCG records list SILVERBACK MARINE of SEATTLE, WA in the MIC database (registered 2017).
How do I decode the year on a SILVERBACK MARINE HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. SILVERBACK MARINE hulls (2017–present) 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 WA
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "SILVERBACK MARINE HIN Decoder," carwhere.com/hin-decoder/sib, last verified 2026-06-12.