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In sailing and boating, a vessel's freeboard is the distance from the waterline to the upper deck level, measured at the lowest point of sheer where water can enter the boat or ship. [1] In commercial vessels, the latter criterion measured relative to the ship's load line, regardless of deck arrangements, is the mandated and regulated meaning. [2]
Load line mark and additional load lines on the hull of a ship Load lines are indicated by special markings on the hull . The marking for the main load line, the summer load line, is called load line mark or Plimsoll mark (positioned amidships ), the marks for other conditions are named after the condition suffixed with "load line" (e.g. winter ...
The assignment of freeboard (and therefore applicable load line) is dependent on the: type of ship [1] structure of the ship [1] areas and seasons the ship trades in, eg winter North Atlantic [1] other safety measures for special conditions, including certain cargoes. [1] Ships are also categorised as either a type A ship or a type B ship.
A ship's draft/draught is the "depth of the vessel below the waterline measured vertically to the lowest part of the hull, propellers, or other reference point". [1] That is, the draft or draught is the maximum depth of any part of the vessel, including appendages such as rudders, propellers and drop keels if deployed.
Retrieved from "https://en.wikipedia.org/w/index.php?title=Freeboard_(ship)&oldid=302763000"This page was last edited on 18 July 2009, at 12:35
Lightweight displacement – LWD – The weight or mass of the ship excluding cargo, fuel, ballast, stores, passengers, and crew, but with water in the boilers to steaming level. Loadline displacement – The weight or mass of the ship loaded to the load line or plimsoll mark. Deadweight tonnage (DWT) is a measure of how much weight a ship can ...
Maryland Gov. Wes Moore and the Maryland Transportation Authority (MDTA) unveiled the design for the new Francis Scott Key Bridge almost a year after it was hit by a cargo ship, causing it to ...
Waterline of a ship. The mark above the waterline indicates the Plimsoll line. The waterline is the line where the hull of a ship meets the surface of the water.. A waterline can also refer to any line on a ship's hull that is parallel to the water's surface when the ship is afloat in a level trimmed position.