= Ship identifier
{wiki=Ship_identifier}
A ship identifier is a unique code or number assigned to a vessel to distinguish it from other ships. These identifiers serve various purposes, including tracking, registry, and safety. Some common types of ship identifiers include: 1. **IMO Number**: The International Maritime Organization assigns a unique 7-digit number to each commercial vessel. This number remains with the ship throughout its operational lifetime, even if it changes names or ownership.
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