Hull number

The hull number, also known as the hull identification number (HIN), is a unique alphanumeric identifier assigned to individual boats and ships. It serves a similar purpose to a Vehicle Identification Number (VIN) for automobiles. The hull number helps in tracking the vessel's history, ownership, and registration. For boats, the HIN is typically a 12-character code that is permanently affixed to the vessel, often located on the transom or inside the engine compartment.