Sea-Lion Boats — HIN at a glance
| Manufacturer | Sea-Lion Boats |
|---|---|
| City | Hudsonville |
| State | Michigan |
| Country | United States |
| MIC code | SLH |
| HIN format | USCG (12 characters) |
| Status | Active |
| Boat types | Open motorboat |
Decode a Sea-Lion Boats HIN
Paste any HIN starting with SLH — we'll decode the serial number, build month, build year and model year instantly.
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About the USCG HIN format
Sea-Lion Boats 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:
SLH 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 (SLH)
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
- Aa Manufacturing & Engineering LLC (
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 Sea-Lion Boats?
Sea-Lion Boats is assigned USCG Manufacturer Identifier Code (MIC) SLH. All Sea-Lion Boats boat HINs begin with these three characters.
How long is a Sea-Lion Boats HIN?
Sea-Lion Boats 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 Sea-Lion Boats still in business?
Sea-Lion Boats 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.