HWA NAN PLASTICS MFG HIN Decoder
Hull Identification Numbers beginning with HWA were assigned by the US Coast Guard to HWA NAN PLASTICS MFG of TAIPEI. The company is recorded as out of business since 2004 — 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
HWA
Location
TAIPEI
In business
since 1975
Status
Out of business (2004)
HWA NAN PLASTICS MFG built hulls across both HIN eras (1975–2004): 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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HWA NAN PLASTICS MFG HIN FAQ
What does a HWA NAN PLASTICS MFG HIN look like?
It starts with the three characters "HWA" — the Manufacturer Identification Code the US Coast Guard assigned to HWA NAN PLASTICS MFG — followed by a 5-character hull serial and a 4-character date code, 12 characters total. HWA NAN PLASTICS MFG built hulls across both HIN eras (1975–2004): 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 HWA NAN PLASTICS MFG still in business?
USCG records list HWA NAN PLASTICS MFG as out of business since 2004. 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 HWA NAN PLASTICS MFG HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. HWA NAN PLASTICS MFG built hulls across both HIN eras (1975–2004): 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, "HWA NAN PLASTICS MFG HIN Decoder," carwhere.com/hin-decoder/hwa, last verified 2026-06-12.