A tugboat or tug is a marine vessel that manoeuvres other vessels by pushing or pulling them, with direct contact or a tow line. These boats typically tug ships in circumstances where they cannot or should not move under their own power, such as in crowded harbors or narrow canals, or cannot move at all, such as barges, disabled ships, log rafts, or oil platforms. Some are ocean-going, and some are icebreakers or salvage tugs. Early models were powered by steam engines, which were later superseded by diesel engines. Many have deluge gun water jets, which help in firefighting, especially in harbours.
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👉 Tugboat in the context of Boat-building
Boat building is the design and construction of boats (instead of the larger ships) — and their on-board systems. This includes at minimum the construction of a hull, with any necessary propulsion, mechanical, navigation, safety and other service systems as the craft requires.
The boat building industry provides for the design, manufacturing, repair and modification of human-powered watercrafts, sailboats, motorboats, airboats and submersibles, and caters for various demands from recreational (e.g. launches, dinghies and yachts), commercial (e.g. tour boats, ferry boats and lighters), residential (houseboats), to professional (e.g. fishing boats, tugboats, lifeboats and patrol boats).
In this Dossier
Tugboat in the context of Merchant ship
A merchant ship, merchant vessel, trading vessel, or merchantman is a watercraft that transports cargo or carries passengers for hire. This is in contrast to pleasure craft, which are used for personal recreation, and naval ships, which are used for military purposes.
They come in myriad sizes and shapes, from six-metre (20 ft) inflatable dive boats in Hawaii, to 5,000-passenger and more casino vessels on the Mississippi River, to tugboats plying New York Harbor, to 300-metre (1,000 ft) oil tankers and container ships at major ports, to passenger-carrying submarines in the Caribbean.
Tugboat in the context of On-board communication station
An on-board communication station or on-board communication radio station is – according to article 1.79 of the International Telecommunication Union's Radio Regulations – "A low-powered mobile station in the maritime mobile service intended for use for internal communications on board a ship, or between a ship and its lifeboats and life-rafts during lifeboat drills or operations, or for communication within a group of vessels being towed or pushed, as well as for line handling and mooring instructions".
Each station shall be classified by the service in which it operates permanently or temporarily.
Tugboat in the context of Museum ship
A museum ship, also called a memorial ship, is a ship that has been preserved and converted into a museum open to the public for educational or memorial purposes. Some are also used for training and recruitment purposes, mostly for the small number of museum ships that are still operational and thus capable of regular movement.
Several hundred museum ships are kept around the world, with around 175 of them organised in the Historic Naval Ships Association though many are not naval museum ships, from general merchant ships to tugs and lightships. Many, if not most, museum ships are also associated with a maritime museum.
Tugboat in the context of Bridge (nautical)
A bridge (also known as a command deck), or wheelhouse (also known as a pilothouse), is a room or platform of a ship, submarine, airship, or spaceship from which the ship can be commanded. When a ship is under way, the bridge is manned by an officer of the watch aided usually by an able seaman acting as a lookout. During critical maneuvers the captain will be on the bridge, often supported by an officer of the watch, an able seaman on the wheel and sometimes a pilot, if required.
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Navigational bridge of a cargo ship docked at Port Everglades, Florida -
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Wheelhouse on a tugboat, topped with a flying bridge -
Appearance of a bridge on a cruise ship
Tugboat in the context of Pelican Island (Texas)
Pelican Island is an island located in Galveston County, Texas. It is part of the city of Galveston and is linked to Galveston Island by the Pelican Island causeway. The island is home to the Texas A&M University at Galveston as well as two museum ships—the destroyer escort USS Stewart (DE-238) and the submarine USS Cavalla (SS-244)—and Seawolf Park. Seawolf Parkway is the only street that runs across the island. The Intracoastal Waterway borders it to the north, separating Pelican Island from another island.
The south side of the island is home to multiple facilities, such as dry docks, and tugboat operators, that support the maritime industry in Galveston, and the Galveston Texas City Pilots who navigate ships through Galveston Bay.