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Deadweight tonnage (also known as deadweight; abbreviated to DWT, D.W.T., d.w.t., or dwt) or tons deadweight (DWT) is a measure of how much weight a ship can carry. [ 1 ] [ 2 ] [ 3 ] It is the sum of the weights of cargo , fuel, fresh water , ballast water , provisions, passengers, and crew .
List of merchant navy capacity by country. List of merchant navy capacity by flag is a list of the world foremost fleets of registered trading vessels ranked in both gross tonnage (GT) and deadweight tonnage (DWT) sorted by flag state. The table is based on the annual maritime shipping statistics provided by the British Government and the ...
Batillus class (4 ships) 414.22 m (1,359 ft) 553,661–555,051 DWT. 274,837–275,276 GT. 1976–2003. Broken up. The largest and longest ships ever to be laid down per original plans. They became second only to Seawise Giant (after its jumboisation) for deadweight tonnage and length overall.
Tonnage is a measure of the capacity of a ship, and is commonly used to assess fees on commercial shipping.The term derives from the taxation paid on tuns or casks of wine. In modern maritime usage, "tonnage" specifically refers to a calculation of the volume or cargo volume of a ship.
Dali is a Neopanamax container ship [ 8 ] with a length of 299.92 metres (984 ft), beam of 48.2 metres (158 ft 2 in), moulded depth of 24.8 metres (81 ft 4 in), and summer draft of 15.03 metres (49 ft 4 in). Her gross and net tonnages are 91,128 and 52,150, respectively, and her deadweight tonnage is 116,851 tonnes.
The world's total of container ship deadweight tonnage has increased from 11 million DWT in 1980 to 169.0 million DWT in 2010. [57] The combined deadweight tonnage of container ships and general cargo ships, which also often carry containers, represents 21.8% of the world's fleet. [58]
In 2005, oil tankers made up 36.9% of the world's fleet in terms of deadweight tonnage. [59] The world's total oil tankers deadweight tonnage has increased from 326.1 million DWT in 1970 to 960.0 million DWT in 2005. [59] The combined deadweight tonnage of oil tankers and bulk carriers, represents 72.9% of the world's fleet. [60]
Deadweight tonnage (DWT) – The total that the vessel can carry that is cargo, fuel, ballast, people and stores. Draft or draught (d) or (T) – The vertical distance from the bottom of the keel to the waterline. Used mainly to determine the minimum water depth for safe passage of a vessel and to calculate the vessels displacement (obtained ...