MAINE MARITIME MUSEUM HIN Decoder
Hull Identification Numbers beginning with APP were assigned by the US Coast Guard to MAINE MARITIME MUSEUM of BATH, ME. 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
APP
Location
BATH, ME
In business
since 1973
Status
Listed active in USCG records
MAINE MARITIME MUSEUM built hulls across both HIN eras (1973–present): 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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MAINE MARITIME MUSEUM HIN FAQ
What does a MAINE MARITIME MUSEUM HIN look like?
It starts with the three characters "APP" — the Manufacturer Identification Code the US Coast Guard assigned to MAINE MARITIME MUSEUM — followed by a 5-character hull serial and a 4-character date code, 12 characters total. MAINE MARITIME MUSEUM built hulls across both HIN eras (1973–present): 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 MAINE MARITIME MUSEUM still in business?
USCG records list MAINE MARITIME MUSEUM of BATH, ME in the MIC database (registered 1973).
How do I decode the year on a MAINE MARITIME MUSEUM HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. MAINE MARITIME MUSEUM built hulls across both HIN eras (1973–present): 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 ME
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "MAINE MARITIME MUSEUM HIN Decoder," carwhere.com/hin-decoder/app, last verified 2026-06-12.