A steamship, often referred to as a steamer, is a type of steam-powered vessel, typically ocean-faring and seaworthy, that is propelled by one or more steam engines that typically move (turn) propellers or paddlewheels. The first steamships came into practical usage during the early 19th century; however, there were exceptions that came before. Steamships usually use the prefix designations of "PS" for paddle steamer or "SS" for screw steamer. As paddle steamers became less common, "SS" is incorrectly assumed by many to stand for "steamship". Ships powered by internal combustion engines use a prefix such as "MV" for motor vessel, so it is not correct to use "SS" for most modern vessels.
A steamboat is a boat that is propelled primarily by steam power, typically driving propellers or paddlewheels. Steamboats sometimes use the prefix designation SS, S.S. or S/S or PS ; however, these designations are most often used for steamships.
USS Snook (SS-279), a Gato-class submarine, was the first ship of the United States Navy to be named for the common snook, an Atlantic marine fish that is bluish-gray above and silvery below a black lateral line.
USS Silversides (SS/AGSS-236) is a Gato-class submarine, the first ship of the United States Navy to be named for the silversides.
The PS Alpena was a sidewheel steamer built by Thomas Arnold of Gallagher & Company at Marine City, Michigan in 1866. She was operated by the Goodrich Line after being purchased from Gardner, Ward & Gallagher in April 1868. The Alpena sank in Lake Michigan in the "Big Blow" storm on October 15, 1880, with the loss of all on board.
Lake freighters, or lakers, are bulk carriers operating on the Great Lakes of North America. These vessels are traditionally called boats, although classified as ships. Freighters typically have a long, narrow hull, a raised pilothouse, and the engine located at the rear of the ship.
Suomen Joutsen is a steel-hulled full-rigged ship with three square rigged masts. Built in 1902 by Chantiers de Penhoët in St. Nazaire, France, as Laënnec, the ship served two French owners before she was sold to German interest in 1922 and renamed Oldenburg. In 1930, she was acquired by the Government of Finland, refitted to serve as a school ship for the Finnish Navy and given her current name. Suomen Joutsen made eight long international voyages before the Second World War and later served in various support and supply roles during the war. From 1961 on she served as a stationary seamen's school for the Finnish Merchant Navy. In 1991, Suomen Joutsen was donated to the city of Turku and became a museum ship moored next to Forum Marinum.
German submarine U-48 was a Type VIIB U-boat of Nazi Germany's Kriegsmarine during World War II, and the most successful that was commissioned. During her two years of active service, U-48 sank 52 ships for a total of 306,874 GRT and 1,060 tons; she also damaged three more for a total of 20,480 GRT over twelve war patrols conducted during the opening stages of the Battle of the Atlantic.
SS Saale was an ocean liner for North German Lloyd in the late 19th century, which was severely damaged in the 1900 Hoboken Docks Fire. On 30 June 1900, Saale was moored at the North German Lloyd piers in Hoboken, New Jersey, preparing to depart on a transatlantic crossing when some cotton on a nearby pier caught on fire and spread to the ship. Saale and several other ships were soon engulfed in flames; 99 passengers and crew on Saale were killed in the fire and subsequent sinking.
SS Henry was a Norwegian steam-powered cargo ship best known for being one of the two ships sunk in one of the most controversial incidents in Norway during the Second World War.
SS Comet was a steamship that operated on the Great Lakes. Comet was built in 1857 as a wooden-hulled propeller-driven cargo vessel that was soon adapted to carry passengers. It suffered a series of maritime accidents prior to its final sinking in 1875 causing the loss of ten lives. It became known as the only treasure ship of Lake Superior because she carried 70 tons of Montana silver ore when it sank. The first attempts to salvage its cargo in 1876 and 1938 were unsuccessful. Comet was finally salvaged in the 1980s when the Great Lakes Shipwreck Historical Society illegally removed artifacts from the wreck. The artifacts are now the property of the State of Michigan and are on display as a loan to the Great Lakes Shipwreck Museum. The fate of her silver ore cargo is unknown. Comet's wreck is now protected by the Whitefish Point Underwater Preserve as part of an underwater museum.
SS Berlin was a steel ship, which was owned by the Great Eastern Railway and built for use on their ferry service from Harwich and the Hook of Holland, which the company had initiated in 1893.
SS Oceana was a P&O passenger liner and cargo vessel, launched in 1887 by Harland and Wolff of Belfast and completed in 1888. Originally assigned to carry passengers and mail between London and Australia, she was later assigned to routes between London and British India. On 16 March 1912 the ship collided in the Strait of Dover with the Pisagua, a 2,850 GRT German-registered four-masted steel-hulled barque. As a result Oceana sank off Beachy Head on the East Sussex coast, with the loss of 17 lives.
SS York was a small steamer that was used to haul freight on Okanagan Lake and Skaha Lake. York was built in 1902 by Bertram Iron Works of Toronto and assembled at Okanagan Landing. She was pre-fabricated with a steel hull and was twin-screw-driven. She was a small vessel in comparison to the many other ships on the lake; York was only 88 by 16 feet. York was capable of moving 134 tons in freight and could carry up to 90 passengers.
The PS Connaught was a 380-foot-long (120 m) passenger sail and steamship which was built in 1860, and sank on its maiden cruise. It initially sailed from Galway, Ireland to St John's, Newfoundland, and thereafter sailed on to Boston, Massachusetts. But the ship foundered in October 1860 in a storm off approximately 100 nautical miles (190 km) from Boston. Although all of the lifeboats were smashed in the storm, all of the passengers and crew aboard were saved by the heroic actions of a fruit transport ship, the Minni Schiffer, and her Captain, John Wilson.
The SS Pewabic was a package freighter that served ports on the Upper Great Lakes. She was launched in October 1863, fitted out in the spring of 1864, and was in active service until she sank off Thunder Bay Island in Lake Huron on August 9, 1865, due to collision with her sister vessel. There was significant loss of life, with a number variously estimated at 100 or 125 passengers and crew of the stricken vessel going down with the ship. If the higher number is accepted, the loss of life made this disaster, in terms of loss of life from the sinking of a single vessel, the seventh-worst tragedy in the history of the Great Lakes, and the worst ever on Lake Huron. The sunken hull of the package freighter is a feature of the present-day Thunder Bay National Marine Sanctuary.
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.
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