Hart Designs — HIN at a glance
| Manufacturer | Hart Designs |
|---|---|
| Also known as | D. Hart Designs INC |
| City | Excelsior |
| State | Minnesota |
| Country | United States |
| MIC code | HZD |
| HIN format | USCG (12 characters) |
| Status | Active |
| Boat types | Airboat, Airboat |
Decode a Hart Designs HIN
Paste any HIN starting with HZD — we'll decode the serial number, build month, build year and model year instantly.
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About the USCG HIN format
Hart Designs is registered with the US Coast Guard and stamps a standard 12-character Hull Identification Number on every vessel produced for the US market. The format breaks down as:
HZD NNNNN M Y YY └┬┘ └──┬──┘ │ │ └┬┘ │ │ │ │ └─ Model year (last two digits) │ │ │ └──── Production year (last digit, 1972 standard) │ │ └────── Production month (A=Jan, B=Feb ... L=Dec, skipping I) │ └──────────── Hull serial number (alphanumeric) └─────────────── MIC: Manufacturer Identifier Code (HZD)
Federal regulation 33 CFR § 181 requires every US-built or imported recreational vessel to display this HIN permanently on the upper starboard side of the transom, and a duplicate HIN in a hidden location inside the hull.
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BEA) - Backwater INC (
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Frequently asked questions
What is the MIC code for Hart Designs?
Hart Designs is assigned USCG Manufacturer Identifier Code (MIC) HZD. All Hart Designs boat HINs begin with these three characters.
How long is a Hart Designs HIN?
Hart Designs uses the US HIN format: 12 characters total. The first 3 are the MIC, followed by 5 serial-number characters, 1-letter month, 1-digit year, and 2-digit model year.
Is Hart Designs still in business?
Hart Designs is currently listed as active in the US Coast Guard MIC database (last published October 2019). Even out-of-business manufacturers' HINs remain valid identifiers for the boats they built.