BOSTON WHALER MULTIHUL HIN Decoder
Hull Identification Numbers beginning with FMS were assigned by the US Coast Guard to BOSTON WHALER MULTIHUL of RIVIERA BEACH, FL. The company is recorded as out of business since 1983 — 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
FMS
Location
RIVIERA BEACH, FL
In business
since 1978
Status
Out of business (1983)
BOSTON WHALER MULTIHUL hulls (1978–1983) predate the current HIN format — expect the legacy straight-year (MMYY) or model-year (M + year + month letter) date codes used 1972–1984.
Free · no account · the HIN is on the transom, upper starboard (right) corner
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BOSTON WHALER MULTIHUL HIN FAQ
What does a BOSTON WHALER MULTIHUL HIN look like?
It starts with the three characters "FMS" — the Manufacturer Identification Code the US Coast Guard assigned to BOSTON WHALER MULTIHUL — followed by a 5-character hull serial and a 4-character date code, 12 characters total. BOSTON WHALER MULTIHUL hulls (1978–1983) predate the current HIN format — expect the legacy straight-year (MMYY) or model-year (M + year + month letter) date codes used 1972–1984.
Is BOSTON WHALER MULTIHUL still in business?
USCG records list BOSTON WHALER MULTIHUL as out of business since 1983. 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 BOSTON WHALER MULTIHUL HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. BOSTON WHALER MULTIHUL hulls (1978–1983) predate the current HIN format — expect the legacy straight-year (MMYY) or model-year (M + year + month letter) date codes used 1972–1984. Enter the full 12-character HIN above and the decoder works it out, including the legacy formats.
Other builders in FL
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "BOSTON WHALER MULTIHUL HIN Decoder," carwhere.com/hin-decoder/fms, last verified 2026-06-12.