RITTALLS BOAT YARD HIN Decoder
Hull Identification Numbers beginning with RTT were assigned by the US Coast Guard to RITTALLS BOAT YARD of BOOTHBAY HBR, ME. The company is recorded as out of business since 1985 — 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
RTT
Location
BOOTHBAY HBR, ME
In business
since 1974
Status
Out of business (1985)
RITTALLS BOAT YARD built hulls across both HIN eras (1974–1985): 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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RITTALLS BOAT YARD HIN FAQ
What does a RITTALLS BOAT YARD HIN look like?
It starts with the three characters "RTT" — the Manufacturer Identification Code the US Coast Guard assigned to RITTALLS BOAT YARD — followed by a 5-character hull serial and a 4-character date code, 12 characters total. RITTALLS BOAT YARD built hulls across both HIN eras (1974–1985): 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 RITTALLS BOAT YARD still in business?
USCG records list RITTALLS BOAT YARD as out of business since 1985. 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 RITTALLS BOAT YARD HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. RITTALLS BOAT YARD built hulls across both HIN eras (1974–1985): 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, "RITTALLS BOAT YARD HIN Decoder," carwhere.com/hin-decoder/rtt, last verified 2026-06-12.