Tugboat

A tugboat is a boat or ship that is designed to tow and that has a large capacity in relation to its length. 

In the steam era usually with paddle wheels, nowadays with a screw drive that is optimized for pulling power (pulling screw). 

According to shipping legislation, any ship that tows another ship is a tugboat. 

Since 2019, exceptions have been made for recreation. 

Towing lines are usually attached to a bitt, towing hook or towing drum.

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