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Cunard-White Star Line
Cunard-White Star Line was a British shipping company formed in 1934 by merging the Cunard and White Star North Atlantic fleets, operating RMS Queen Mary and RMS Queen Elizabeth until renamed Cunard Line in 1950.
Cutter (boat)
A cutter is a small sailing vessel with one mast, a bowsprit, and two or more headsails; the word also names ship's boats and large US Coast Guard vessels.
Cutty Sark
Cutty Sark is a British clipper ship launched in 1869 for the China tea trade, the world's sole surviving tea clipper, preserved at Greenwich since 1954.
D.A. Thomas
The D.A. Thomas was a sternwheel steamboat built on the Peace River in 1916, one of the river's largest sternwheelers, named for the Welsh industrialist David Alfred Thomas, later Viscount Rhondda.
Dalian Maritime University
Dalian Maritime University (大连海事大学, DMU) is a public maritime university in Dalian, China. Founded in 1909, it is the only university directly under the Ministry of Transport.
Damage stability
Damage stability is the branch of ship stability assessing whether a vessel remains afloat, upright, and stable after hull damage causes flooding, required under the IMO's SOLAS Convention.
Damen LST 100
The Damen LST 100 is a 100-meter roll-on/roll-off tank landing ship designed by Dutch shipbuilder Damen to deliver troops, vehicles, and cargo directly onto a beach without port infrastructure.
Damen Shipyards Group
Damen Shipyards Group is a Dutch family-owned shipbuilding group headquartered in Gorinchem, founded in 1927, which builds standardized commercial and naval vessels at more than 35 shipyards worldwide.
Dampier oil hub
The Dampier oil hub is the hydrocarbon-export complex at the Port of Dampier on Western Australia's Burrup Peninsula, where Woodside Energy's Withnell Bay and Pluto terminals export LNG and condensate.
Danaos
Danaos Corporation is an international owner of containerships and drybulk vessels, headquartered in Piraeus, Greece, whose founder Dimitris Coustas began operating as Danaos Shipping in 1972.
David Taylor Model Basin
The David Taylor Model Basin is the United States Navy's ship-model testing facility at West Bethesda, Maryland, named for Rear Adm. David W. Taylor and dedicated in 1939.
Davy Jones's locker
Davy Jones's locker is a nautical idiom for the bottom of the ocean as the grave of all who perish at sea, first recorded in Daniel Defoe's writing in 1726.
Dazzle camouflage
Dazzle camouflage, also known as dazzle painting or razzle dazzle, is a ship camouflage using bold, high-contrast geometric patterns to mislead submarine observers about a ship's speed, distance, and direction.
Dead reckoning
Dead reckoning is the navigation method of estimating a vessel's position by applying course steered and distance traveled from the last well-determined position, without external references.
Deadfreight
Deadfreight, also written dead freight, is the freight payable by a charterer who supplies less cargo than the voyage charterparty stipulates, compensating the shipowner for reserved space left unfilled.
Deck (ship)
A deck is a horizontal structure in a ship that serves as a floor, with many decks stacked one above another and named for their position or function.
Deck department
The deck department is the shipboard division of a merchant vessel responsible for navigation, cargo handling, security, and maintenance, headed by the Master, who holds overall command.
Dehler
Dehler is a German sailboat brand founded by electrical engineer Willi Dehler in 1963 in Freienohl, Sauerland, which has built more than 25,000 performance cruising yachts.
Delaware-class battleship
The Delaware class was a pair of American dreadnought battleships, USS Delaware and USS North Dakota, completed in 1910 and scrapped under the 1922 Washington Naval Treaty.
Delhi-class destroyer
The Delhi-class destroyer (Project 15) is a class of three guided-missile destroyers of the Indian Navy, the first major warship class designed and built in India after independence.
Delta Queen
The Delta Queen is an American sternwheel steamboat built in 1926, the flagship overnight passenger steamboat of the Mississippi and Ohio river system from 1948 to 2008.
Delta-class submarine
The Delta class (Дельта) is a series of Soviet nuclear-powered ballistic missile submarines built in four versions, the backbone of the Soviet and Russian strategic fleet since 1973.
Demurrage
Demurrage is a charge payable when a ship or container is held longer than the allowed time, as a daily payment to a shipowner or a per-day terminal fee.
Design A-150 battleship
Design A-150, popularly the Super Yamato class, was a planned Imperial Japanese Navy battleship class succeeding the Yamato class, armed with six 51 cm guns.
Destroyer
The destroyer, begun in the 1890s as the torpedo-boat destroyer with HMS Havock in 1893, is a fast, heavily armed multi-mission guided-missile warship central to modern fleets.
Destroyer escort
A destroyer escort was a small, slow US Navy warship of World War II built to escort convoys and hunt submarines; 563 were built from 1941.
Deutschland-class cruiser
The Deutschland class was a class of three German warships, known as pocket battleships, built in the late 1920s and early 1930s in excess of Treaty of Versailles limits.
Dhow
A dhow, known in Arabic as dāw, is a lateen-rigged sailing vessel of the Indian Ocean, used for fishing and coastal trade along Arabian, African, and Indian coasts.
DHT Holdings
DHT Holdings is an independent crude oil tanker company, incorporated in the Marshall Islands and headquartered in Bermuda, whose fleet of 22 very large crude carriers trades internationally.
Diamond Princess (ship)
Diamond Princess is a Grand-class cruise ship operated by Princess Cruises, built by Mitsubishi Heavy Industries in Nagasaki, Japan, in 2004 and known for the 2020 COVID-19 outbreak during quarantine at Yokohama.