Great Lakes Boat Building School — HIN at a glance
| Manufacturer | Great Lakes Boat Building School |
|---|---|
| Also known as | Glastec Boat CO (Oob) |
| City | Cedarville |
| State | Michigan |
| Country | United States |
| MIC code | GLS |
| HIN format | USCG (12 characters) |
| Status | Active |
| Boat types | Open motorboat, Sailboat, Inflatable boat |
Decode a Great Lakes Boat Building School HIN
Paste any HIN starting with GLS — we'll decode the serial number, build month, build year and model year instantly.
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About the USCG HIN format
Great Lakes Boat Building School 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:
GLS 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 (GLS)
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 Michigan boat manufacturers
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AAX) - American Pleasure Products (
APA) - Apex Marine INC (
APX) - Au Sable Valley Fiberglass (
ASB) - Barnwell Boatworks LLC (
BBL) - Buoy Bay Marina (
BBX) - Bluewater Yacht Services LLC (
BWY) - Croft Craft Enterprises LLC (
CCY) - Copper Harbor Boatworks LLC (
CHB) - Crazy Joes Customs (
CJX) - Composite Builders LLC (
CPE) - Crest Marine LLC (
CSM)
Frequently asked questions
What is the MIC code for Great Lakes Boat Building School?
Great Lakes Boat Building School is assigned USCG Manufacturer Identifier Code (MIC) GLS. All Great Lakes Boat Building School boat HINs begin with these three characters.
How long is a Great Lakes Boat Building School HIN?
Great Lakes Boat Building School 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 Great Lakes Boat Building School still in business?
Great Lakes Boat Building School 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.