BRUNSWICK MARINE MONARK DIV HIN Decoder
Hull Identification Numbers beginning with MAK were assigned by the US Coast Guard to BRUNSWICK MARINE MONARK DIV of TOPEKA, IN. The company is recorded as out of business since 1990 — 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
MAK
Location
TOPEKA, IN
In business
since 1972
Status
Out of business (1990)
Parent company
BRUNSWICK MARINE
BRUNSWICK MARINE MONARK DIV built hulls across both HIN eras (1972–1990): 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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BRUNSWICK MARINE MONARK DIV HIN FAQ
What does a BRUNSWICK MARINE MONARK DIV HIN look like?
It starts with the three characters "MAK" — the Manufacturer Identification Code the US Coast Guard assigned to BRUNSWICK MARINE MONARK DIV — followed by a 5-character hull serial and a 4-character date code, 12 characters total. BRUNSWICK MARINE MONARK DIV built hulls across both HIN eras (1972–1990): 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 BRUNSWICK MARINE MONARK DIV still in business?
USCG records list BRUNSWICK MARINE MONARK DIV as out of business since 1990 (associated with BRUNSWICK MARINE). 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 BRUNSWICK MARINE MONARK DIV HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. BRUNSWICK MARINE MONARK DIV built hulls across both HIN eras (1972–1990): 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.
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Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "BRUNSWICK MARINE MONARK DIV HIN Decoder," carwhere.com/hin-decoder/mak, last verified 2026-06-12.