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Shannon Elder Yachts

Hull Identification Number Decoder — USCG MIC SEI

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Shannon Elder Yachts β€” HIN at a glance

ManufacturerShannon Elder Yachts
CityPort Townsend
StateWashington
CountryUnited States
MIC codeSEI
HIN formatUSCG (12 characters)
StatusActive
Boat typesCabin motorboat

Decode a Shannon Elder Yachts HIN

Paste any HIN starting with SEI — we'll decode the serial number, build month, build year and model year instantly.

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About the USCG HIN format

Shannon Elder Yachts 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:

SEI NNNNN M Y YY
β””β”¬β”˜ β””β”€β”€β”¬β”€β”€β”˜ β”‚ β”‚ β””β”¬β”˜
 β”‚    β”‚     β”‚ β”‚  └─ Model year (last two digits)
 β”‚    β”‚     β”‚ └──── Production year (last digit, 1972 standard)
 β”‚    β”‚     └────── Production month (A=Jan, B=Feb ... L=Dec, skipping I)
 β”‚    └──────────── Hull serial number (alphanumeric)
 └─────────────── MIC: Manufacturer Identifier Code (SEI)

Federal regulation 33 CFR Β§ 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 Washington boat manufacturers

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Frequently asked questions

What is the MIC code for Shannon Elder Yachts?

Shannon Elder Yachts is assigned USCG Manufacturer Identifier Code (MIC) SEI. All Shannon Elder Yachts boat HINs begin with these three characters.

How long is a Shannon Elder Yachts HIN?

Shannon Elder Yachts 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 Shannon Elder Yachts still in business?

Shannon Elder Yachts 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.

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