Northport Marine LLC — HIN at a glance
| Manufacturer | Northport Marine LLC |
|---|---|
| Also known as | Mirrocraft (Dba) |
| City | Gillett |
| State | Wisconsin |
| Country | United States |
| MIC code | MRR |
| HIN format | USCG (12 characters) |
| Status | Active |
| Boat types | Open motorboat |
Decode a Northport Marine LLC HIN
Paste any HIN starting with MRR — we'll decode the serial number, build month, build year and model year instantly.
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About the USCG HIN format
Northport Marine LLC 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:
MRR 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 (MRR)
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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Frequently asked questions
What is the MIC code for Northport Marine LLC?
Northport Marine LLC is assigned USCG Manufacturer Identifier Code (MIC) MRR. All Northport Marine LLC boat HINs begin with these three characters.
How long is a Northport Marine LLC HIN?
Northport Marine LLC 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 Northport Marine LLC still in business?
Northport Marine LLC 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.