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 Early models were powered by steam engines, which were later superseded by diesel engines.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.
USS Algonquin, completed as El Toro in 1891 for the Southern Pacific Railroad's Morgan Line, was a small harbor tug commissioned by the United States Navy 2 April 1898. Renamed Accomac, after Accomac, Virginia, June 1898, renamed Nottoway in 1918 and, after the Navy adopted alphanumeric hull numbers on 17 July 1920, classified as YT-18, a district tug. On 5 October 1942 the name was cancelled and the tug was simply YT-18 until 1944 when classification was changed to YTL-18, a little harbor tug. Over the years as a Navy tug, from 1898 to 1946, the tug served from Cuba to Boston.
Eppleton Hall is a paddlewheel tugboat built in England in 1914. The only remaining intact example of a Tyne-built paddle tug, and one of only two surviving British-built paddle tugs, she is preserved at the San Francisco Maritime National Historical Park in San Francisco, California.
Arthur Foss, built in 1889 as Wallowa at Portland, Oregon, is likely the oldest wooden tugboat afloat in the world. Its 79-year commercial service life began with towing sailing ships over the Columbia River bar, and ended with hauling bundled log rafts on the Strait of Juan de Fuca in 1968. Northwest Seaport now preserves the tug as a museum ship in Seattle, Washington.
An inboard motor is a marine propulsion system for boats. As opposed to an outboard motor where an engine is mounted outside the hull of the craft, an inboard motor is an engine enclosed within the hull of the boat, usually connected to a propulsion screw by a driveshaft.
Marine propulsion is the mechanism or system used to generate thrust to move a watercraft through water. While paddles and sails are still used on some smaller boats, most modern ships are propelled by mechanical systems consisting of an electric motor or internal combustion engine driving a propeller, or less frequently, in pump-jets, an impeller. Marine engineering is the discipline concerned with the engineering design process of marine propulsion systems.
Fire Fighter is a fireboat which served the New York City Fire Department from 1938 through 2010, serving with Marine Companies 1, 8 and 9 during her career. The most powerful diesel-electric fireboat in terms of pumping capacity when built in 1938, Fire Fighter fought more than 50 major fires during her career, including fires aboard the SS Normandie in 1942 and the SS El Estero in 1943, the 1973 collision of the Esso Brussels and SS Sea Witch, and the terrorist attacks on September 11, 2001.
Sabino is a small wooden, coal-fired steamboat built in 1908 and located at the Mystic Seaport Museum in Mystic, Connecticut. It is one of only two surviving members of the American mosquito fleet, and it was declared a National Historic Landmark in 1992. It is America's oldest regularly operating coal-powered steamboat.
Edna G is a tugboat which worked the Great Lakes and is now preserved as a museum ship. Edna G was built by the Cleveland Shipbuilding Company in 1896 for the Duluth and Iron Range Railroad at a cost $35,397.50. She was named for the daughter of J. L. Greatsinger, president of the railroad.
Baltimore is a preserved steam-powered tugboat, built in 1906 by the Skinner Shipbuilding Company of Baltimore, Maryland. She is formerly the oldest operating steam tugboat in the United States, but at present does not hold an operating license issued by the US Coast Guard, so is unable to leave her dock at the Baltimore Museum of Industry on Key Highway, Baltimore. Her hull is not capable of operating on open water. Baltimore was built and operated as a harbor inspection tug, capable of acting as a municipal tugboat for city barges, as well as an official welcoming vessel and VIP launch, an auxiliary fireboat, and as a light icebreaker.
M/V Mississippi is a United States Army Corps of Engineers (USACE) towboat operating on the Mississippi River. It is the largest diesel towboat on the river.
USNS Navajo (T-ATF-169) was a United States Navy Powhatan-class tugboat operated by the Military Sealift Command which was in service from 1980 to 2016. She spent the bulk of her career in the Pacific and is currently moored in Pearl Harbor, awaiting disposal.
The Powhatan class of fleet ocean tugs consists of seven ships built for the United States Navy, and operated by the Military Sealift Command (MSC). The lead ship of the class was launched in 1978 and the last ship in MSC service will be deactivated in 2023. During their service life, the Powhatan's were the most powerful tugs owned by the Navy.
RFA Freshspring was a Fresh-class water tank vessel of the Royal Fleet Auxiliary. She survives in civilian hands as SS Freshspring, the last surviving example of the Fresh-class ships. The last of fourteen ships, she was used to carry fresh water out to larger ships. She is listed on the National Register of Historic Vessels maintained by National Historic Ships.
MV Okanagan was a tugboat that operated on Okanagan Lake, Penticton, British Columbia, from 1947 to 1972. It was the largest and last Canadian Pacific-operated tugboat on Okanagan Lake and its retirement marked the end of Canadian Pacific’s service on B.C.’s inland lakes and rivers, as well as 80 years of service on Okanagan Lake. During service, the Okanagan pushed railway barges up and down the lake and broke ice during winter.
The Type V ship is a United States Maritime Commission (MARCOM) designation for World War II tugboats. Type V was used in World War II, Korean War, and the Vietnam War. Type V ships were used to move ships and barges. Type V tugboats were made of either steel or wood hulls. There were four types of tugboats ordered for World War II. The largest type V design was the sea worthy 186-foot (57 m) long steel hull, V4-M-A1. The V4-M-A1 design was used by a number of manufacturers; a total of 49 were built. A smaller steel hull tugboat was the 94-foot (29 m) V2-ME-A1; 26 were built. The largest wooden hull was the 148-foot (45 m) V3-S-AH2, of which 14 were built. The smaller wooden hull was the 58-foot (18 m) V2-M-AL1, which 35 were built. Most V2-M-AL1 tugboats were sent to the United Kingdom for the war efforts under the lend-lease act. The Type V tugs served across the globe during World War II including: Pacific War, European theatre, and in the United States. SS Farallon, and other Type V tugs, were used to help built Normandy ports, including Mulberry harbour, on D-Day, 6 June 1944, and made nine round trips to Normandy to deliver Phoenix breakwaters.
The Sport was a tugboat, built in 1873 and wrecked in 1920 in Lake Huron. The wreck site, designated 20UH105, was listed on the National Register of Historic Places in 1992.
The Australasia was a wooden-hulled American Great Lakes freighter that served on the Great Lakes of North America between her construction in 1884 to her burning and sinking in 1896. On October 18, 1896, while loaded with coal, the Australasia sank in Lake Michigan near the town of Sevastopol, Door County, Wisconsin, United States, after burning off Cana Island. On July 3, 2013, the wreck of the Australasia was added to the National Register of Historic Places.
The SS Lakeland was an early steel-hulled Great Lakes freighter that sank on December 3, 1924, into 205 feet (62 m) of water on Lake Michigan near Sturgeon Bay, Door County, Wisconsin, United States, after she sprang a leak. On July 7, 2015, the wreck of the Lakeland was added to the National Register of Historic Places.
Mystic Steamship Company, also known a Boston Tow Boat Company was a Boston, Massachusetts shipping company. Named after the Mystic River. The company was founded in 1854 as the T-Wharf Towing Company. Boston Tow Boat Company was an operator of ship salvaging, icebreaker shipping, and a tugboat operator. The other major operation was transporting coal. Mystic Steamship Company operated collier ships and coal barges. Coal was load at Newport News, Virginia and delivery to New York Harbor, Philadelphia and Baltimore. Mystic Steamship Company was also a bulk grain transporter. Eastern Gas & Fuel Associates purchased and ran Mystic Steamship Company. Eastern Gas & Fuel Associates is now Eastern Enterprises. T-Wharf Towing Company merged into the Boston Gas Eastern Enterprises Incorporated, its parent company on June 30, 1917. Boston Gas Eastern Enterprises reformed the shipping lines as the Boston Towboat Company Incorporated. Boston Fuel Transportation Company purchased Boston Towboat Company in 1985. Boston Fuel renamed the company the Boston Towing and Transportation Companies. In 1940, the company became the Mystic Steamship, a Division of Eastern Gas and Fuel Associates.
United States
