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Search and rescue
Search and rescue (SAR) is the coordinated use of personnel, vessels, aircraft, and communication systems to locate and assist people in distress, most often at sea.
SeaRose FPSO
The SeaRose FPSO is a floating production, storage and offloading vessel serving the White Rose oil field off Newfoundland, Canada, built in 2004 and producing since 2005.
Seatrium
Seatrium is a Singapore engineering company for the offshore, marine, and energy sectors, formed in 2023 from the merger of Sembcorp Marine and Keppel Offshore & Marine.
Seawise Giant
Seawise Giant, also known as Jahre Viking and Knock Nevis, was an ultra-large crude supertanker, the longest self-propelled ship ever built at 458 meters, with a deadweight of 564,763 tonnes.
Second engineer
The second engineer, also called the second engineer officer, is the officer second in command of a merchant ship's engine department, reporting to the chief engineer.
Second Fleet (Australia)
The Second Fleet was a 1790 British convict convoy to New South Wales whose three transports became the "death fleet" after 267 convicts died at sea.
Second mate
The second mate, also called the second officer, is a merchant ship's navigating officer, third in the deck department, responsible for charts, navigational equipment, and passage planning.
Second voyage of HMS Beagle
The second voyage of HMS Beagle was a Royal Navy hydrographic survey that circumnavigated the globe from 1831 to 1836, commanded by Captain Robert FitzRoy and carrying naturalist Charles Darwin.
Sejong the Great-class destroyer
The Sejong the Great class (세종대왕급 구축함), also KDX-III, is a class of Aegis guided-missile destroyers of the Republic of Korea Navy, first commissioned in 2008.
Semi-submersible platform
A semi-submersible platform is a floating offshore structure whose submerged pontoons and widely spaced columns give low motions and high stability for deepwater drilling and production.
Sentinel-class cutter
The Sentinel-class cutter, also called the fast response cutter, is a 154-foot United States Coast Guard patrol craft built by Bollinger Shipyards that has replaced the older Island-class boats since 2012.
Seven Seas
The Seven Seas, Latin Septem maria, is a cultural phrase naming various historical sea lists, from the Mediterranean world to Arab trade routes, now meaning all the world's oceans.
Seventy-four (ship)
The seventy-four was a two-decked ship of the line carrying 74 guns, developed by France in the 1730s; it became the backbone of British, French, and Spanish battle fleets.
Shaft generator
A shaft generator is a ship's electrical generator driven by the main propulsion engine rather than auxiliary diesels, saving 3 to 7 percent fuel while the vessel is underway.
Shahid Soleimani-class corvette
The Shahid Soleimani-class corvette is a missile-armed catamaran corvette class of Iran's Islamic Revolutionary Guard Corps Navy, the first Iranian warships with vertical launch systems.
Shanghai Containerised Freight Index
The Shanghai Containerised Freight Index, or SCFI (上海出口集装箱运价指数), is a weekly index by the Shanghai Shipping Exchange tracking spot container export freight rates from Shanghai on 13 routes.
Shanghai International Port Group
Shanghai International Port Group (SIPG) is the state-controlled terminal operator of the Port of Shanghai, which handled a record 51.5 million TEU in 2024; it listed in 2006.
Shanghai Maritime University
Shanghai Maritime University is a public university in Shanghai, China, founded in 1909 and jointly run by the Ministry of Transport, known for shipping and logistics.
Ship
A ship is a large watercraft that carries cargo, passengers, or performs specialized work at sea, distinct from a boat by size, typically over 500 tons displacement.
Ship breaking
Ship breaking, also called ship recycling, dismantles end-of-life ships to recover steel and machinery; it is among the most dangerous occupations, concentrated in Bangladesh, India, Pakistan, and Türkiye.
Ship burial
Ship burial is a funerary practice in which a ship or boat, sometimes with the dead and grave goods aboard, is interred under a mound or in a grave.
Ship chandler
A ship chandler is a seaport merchant that supplies vessels with provisions, stores, spare parts, safety equipment, and bonded goods, delivering directly to ships in port.
Ship class
A ship class is a group of ships, usually warships, built to substantially the same design and typically named for the lead ship, as distinct from ship types such as destroyer.
Ship delivery
Ship delivery is the shipbuilding stage at which the builder hands the completed vessel over to the buyer after sea trials, when title and risk pass.
Ship model basin
A ship model basin is a water tank laboratory where scale models of ships are towed to predict full-size performance, begun by William Froude in 1872.
Ship mortgage
A ship mortgage is a registered security interest in a vessel granted by its owner to a lender to secure a loan, enforceable against the ship through arrest and sale.
Ship naming and launching
Ship naming and launching is the ceremony in which a new ship is blessed, named, and entered into the water, usually with a sponsor breaking a bottle of champagne.
Ship of the line
A ship of the line, or line-of-battle ship, was a heavily armed sailing warship of the 17th to early 19th century, built to fight in the line-of-battle formation.
Ship prefix
A ship prefix is a short code placed before a ship's name, as in USS Enterprise or RMS Titanic, identifying its navy, nationality, propulsion type, or service role.
Ship registration
Ship registration is the act of entering a vessel in a State's official register of ships, giving it that State's nationality and the right to fly its flag.