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Allport Marine CORP

Hull Identification Number Decoder — USCG MIC YNN

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Allport Marine CORP β€” HIN at a glance

ManufacturerAllport Marine CORP
CityUnknown
StatePQ
CountryUnited States
MIC codeYNN
HIN formatUSCG (12 characters)
StatusActive

Decode a Allport Marine CORP HIN

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

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About the USCG HIN format

Allport Marine CORP 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:

YNN 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 (YNN)

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.

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Frequently asked questions

What is the MIC code for Allport Marine CORP?

Allport Marine CORP is assigned USCG Manufacturer Identifier Code (MIC) YNN. All Allport Marine CORP boat HINs begin with these three characters.

How long is a Allport Marine CORP HIN?

Allport Marine CORP 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 Allport Marine CORP still in business?

Allport Marine CORP 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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