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W Whiskey: Azure, an inescutcheon gules fimbriated argent "I require medical assistance." X Xray: Argent, a cross azure "Stop carrying out your intentions and watch for my signals." Y Yankee: Bendy sinister of ten or and gules "I am dragging my anchor." Z Zulu: Per saltire or, sable, gules and azure "I require a tug."
Deadweight tonnage is a measure of a vessel's weight carrying capacity, not including the empty weight of the ship. It is distinct from the displacement (weight of water displaced), which includes the ship's own weight, or the volumetric measures of gross tonnage or net tonnage (and the legacy measures gross register tonnage and net register tonnage).
W Whiskey [ˈwɪs.ki] "I require medical assistance." X Xray [ˈɛks.reɪ] "Stop carrying out your intentions and watch for my signals." Y Yankee [ˈjaŋ.ki] "I am dragging my anchor." Z Zulu [ˈzuː.luː] "I require a tug." By fishing vessels near fishing grounds: "I am shooting nets." [c] . The first 2 digits denote hours; the last 2 denote ...
Also ship's magazine. The ammunition storage area aboard a warship. magnetic bearing An absolute bearing using magnetic north. magnetic north The direction towards the North Magnetic Pole. Varies slowly over time. maiden voyage The first voyage of a ship in its intended role, i.e. excluding trial trips. Maierform bow A V-shaped bow introduced in the late 1920s which allowed a ship to maintain ...
A ship prefix is a combination of letters, usually abbreviations, used in front of the name of a civilian or naval ship that has historically served numerous purposes, such as identifying the vessel's mode of propulsion, purpose, or ownership/nationality.
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.
To calculate the weight of the displaced water, it is necessary to know its density. Seawater (1,025 kg/m 3) is more dense than fresh water (1,000 kg/m 3); [5] so a ship will ride higher in salt water than in fresh. The density of water also varies with temperature.
A Royal Commission on unseaworthy ships was established in 1872, and in 1876 the United Kingdom Merchant Shipping Act made the load line mark compulsory, although the positioning of the mark was not fixed by law until 1894. In 1906, laws were passed requiring foreign ships visiting British ports to be marked with a load line.