Middleton Boatworks, INC — HIN at a glance
| Manufacturer | Middleton Boatworks, INC |
|---|---|
| City | Camden |
| State | Maine |
| Country | United States |
| MIC code | GZP |
| HIN format | USCG (12 characters) |
| Status | Active |
| Boat types | Open motorboat, Cabin motorboat |
Decode a Middleton Boatworks, INC HIN
Paste any HIN starting with GZP — we'll decode the serial number, build month, build year and model year instantly.
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About the USCG HIN format
Middleton Boatworks, INC 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:
GZP 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 (GZP)
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.
Other Maine boat manufacturers
- Atlantic Boat CO INC (
ABH) - Allied Boat Works, LLC (
ABW) - Arch Davis Designs (
ADD) - Maine Maritime Museum (
APP) - Apprentice Shop (The) (
ASF) - Clark Island Boat Works (
BDW) - Bass Harbor Boat (
BHB) - Brooklin Boat Yard (
BKN) - Brion Rieff Boat Builder (
BRI) - Make And Break Enterp (
BXK) - Curtis Boats (
CAU) - Chris Briggs Boats (
CBR)
Frequently asked questions
What is the MIC code for Middleton Boatworks, INC?
Middleton Boatworks, INC is assigned USCG Manufacturer Identifier Code (MIC) GZP. All Middleton Boatworks, INC boat HINs begin with these three characters.
How long is a Middleton Boatworks, INC HIN?
Middleton Boatworks, INC 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 Middleton Boatworks, INC still in business?
Middleton Boatworks, INC 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.