The plaque is similar to the seafarers' registers. There is information about the sailors on this important object. If the shipyard information of the shipmen is born, such as the birth number given to the ship, that is, technically explained, the hull number information and the year of construction of the ship are indicated on these plates. Plaques are important in that they contain this information. These objects are displayed in a way that everyone can see.

The longer the lifespan of the ship, the longer these plates hang. When the average life of a ship is 25 or 30 years, it is understood how long these objects will hang in the living space. These objects have the status of the most prominent object in shipping.