Tugboat Altair wwwharborstarcomph Batangus Philippines
A tugboat (tug) is a boat that maneuvers vessels by pushing or towing them. Tugs move vessels that either should not move themselves, such as ships in a crowded harbor or a narrow canal, or those that cannot move by themselves, such as barges, disabled ships, or oil platforms. Tugboats are powerful for their size and strongly built, and some are ocean-going. Some tugboats serve as icebreakers or salvage boats. Early tugboats had steam engines, but today have diesel engines. Many tugboats have firefighting monitors, allowing them to assist in firefighting, especially in harbors.
Types of tugboats
Seagoing tugboats are in three basic categories:
Historically tugboats were the first seagoing vessels with steam propulsion, providing freedom from the restraint of the wind. As such, they were employed in harbors to assist ships in docking and departure.
River tugs River tugs are also referred to as towboats or pushboats. Their hull designs would make open ocean operation dangerous. River tugs usually do not have any significant hawser or winch. Their hulls feature a flat front or bow to line up with the rectangular stern of the barge.
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This webpage was updated 26th November 2011
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