Knowledge

Why is a submarine called a boat and not a ship?

The classification of Ship vs Boat has to deal with the manner in which it handles a turn.

As you can see from the above picture a ship will lean to the outside of the turn when changing directions.

A boat leans into the inside of the turn when changing directions.


When a submarine makes a turn, it leans to the inside of the turn thus giving it the classification of a boat and not a ship.

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