CUSTOMFLEX INC HIN Decoder
Hull Identification Numbers beginning with CTF were assigned by the US Coast Guard to CUSTOMFLEX INC of WHITEHOUSE, OH. 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
CTF
Location
WHITEHOUSE, OH
In business
since 1972
Status
Listed active in USCG records
CUSTOMFLEX INC built hulls across both HIN eras (1972–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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CUSTOMFLEX INC HIN FAQ
What does a CUSTOMFLEX INC HIN look like?
It starts with the three characters "CTF" — the Manufacturer Identification Code the US Coast Guard assigned to CUSTOMFLEX INC — followed by a 5-character hull serial and a 4-character date code, 12 characters total. CUSTOMFLEX INC built hulls across both HIN eras (1972–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 CUSTOMFLEX INC still in business?
USCG records list CUSTOMFLEX INC of WHITEHOUSE, OH in the MIC database (registered 1972).
How do I decode the year on a CUSTOMFLEX INC HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. CUSTOMFLEX INC built hulls across both HIN eras (1972–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 OH
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "CUSTOMFLEX INC HIN Decoder," carwhere.com/hin-decoder/ctf, last verified 2026-06-12.