Riverside Boatworks — HIN at a glance
| Manufacturer | Riverside Boatworks |
|---|---|
| Also known as | Rainbow INC |
| City | Duluth |
| State | Minnesota |
| Country | United States |
| MIC code | RBX |
| HIN format | USCG (12 characters) |
| Status | Active |
| Boat types | Sailboat, Cabin motorboat |
Decode a Riverside Boatworks HIN
Paste any HIN starting with RBX — we'll decode the serial number, build month, build year and model year instantly.
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About the USCG HIN format
Riverside Boatworks 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:
RBX 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 (RBX)
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 Minnesota boat manufacturers
- Alumacraft Boat CO (
ACB) - Aquarius Sail INC (
AQZ) - Bass Bandit Boats LLC (
BAN) - Beavertail LLC (Dba) (
BEA) - Backwater INC (
BMW) - Backtroller Boats LLC (
BTV) - Current Electric Boats (
CEX) - Crestliner INC (
CRC) - Drift North Paddle CO LLC (Dba) (
DNP) - Elite Industries (
EIE) - Electro Forge Custom Welding (
ELC) - Ercoa Industries (
ERC)
Frequently asked questions
What is the MIC code for Riverside Boatworks?
Riverside Boatworks is assigned USCG Manufacturer Identifier Code (MIC) RBX. All Riverside Boatworks boat HINs begin with these three characters.
How long is a Riverside Boatworks HIN?
Riverside Boatworks 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 Riverside Boatworks still in business?
Riverside Boatworks 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.