Grey Barn Boat Works — HIN at a glance
| Manufacturer | Grey Barn Boat Works |
|---|---|
| Also known as | North Shore Boat Works |
| City | Newton |
| State | New Hampshire |
| Country | United States |
| MIC code | NHS |
| HIN format | USCG (12 characters) |
| Status | Active |
| Boat types | Cabin motorboat, Open motorboat |
Decode a Grey Barn Boat Works HIN
Paste any HIN starting with NHS — we'll decode the serial number, build month, build year and model year instantly.
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About the USCG HIN format
Grey Barn Boat Works 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:
NHS 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 (NHS)
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 New Hampshire boat manufacturers
- Scansport INC (
AYZ) - Coastal Inflatables LLC (
CIB) - Clear Stream Fine Woodworking (
CLE) - Blackfly Canoes LLC (
CRH) - Millbrook Boats (
EJQ) - International Mx Composites LLC (
INX) - Chislett'S Boating & Design (
JLN) - Kevin Martin Boatbuilder (
LRW) - Sunapee Small Craft (
MNS) - New Hampshire Homemade Boats (
NHZ) - Piper Boatworks (
PBW) - Ranger Canoe Company (
RAN)
Frequently asked questions
What is the MIC code for Grey Barn Boat Works?
Grey Barn Boat Works is assigned USCG Manufacturer Identifier Code (MIC) NHS. All Grey Barn Boat Works boat HINs begin with these three characters.
How long is a Grey Barn Boat Works HIN?
Grey Barn Boat Works 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 Grey Barn Boat Works still in business?
Grey Barn Boat Works 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.