FIBERGLASS WORKS INC HIN Decoder
Hull Identification Numbers beginning with FWZ were assigned by the US Coast Guard to FIBERGLASS WORKS INC of WHITE BLUFF, TN. The company is recorded as out of business since 2007 — 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
FWZ
Location
WHITE BLUFF, TN
In business
since 1981
Status
Out of business (2007)
Parent company
AIRES BOATS
FIBERGLASS WORKS INC built hulls across both HIN eras (1981–2007): 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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FIBERGLASS WORKS INC HIN FAQ
What does a FIBERGLASS WORKS INC HIN look like?
It starts with the three characters "FWZ" — the Manufacturer Identification Code the US Coast Guard assigned to FIBERGLASS WORKS INC — followed by a 5-character hull serial and a 4-character date code, 12 characters total. FIBERGLASS WORKS INC built hulls across both HIN eras (1981–2007): 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 FIBERGLASS WORKS INC still in business?
USCG records list FIBERGLASS WORKS INC as out of business since 2007 (associated with AIRES BOATS). 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 FIBERGLASS WORKS INC HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. FIBERGLASS WORKS INC built hulls across both HIN eras (1981–2007): 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.
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, "FIBERGLASS WORKS INC HIN Decoder," carwhere.com/hin-decoder/fwz, last verified 2026-06-12.