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2. Ship measurements - Wikipedia

   en.wikipedia.org/wiki/Ship_measurements

   Deadweight tonnage (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. [1] 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 ...

3. International rule (sailing) - Wikipedia

   en.wikipedia.org/wiki/International_rule_(sailing)

   The method of measuring merchant sailing ships carried over into the world of yacht racing so that a yacht also now had a measured tonnage which allowed size comparisons and hence performance comparisons to be made between yachts on the basis that a properly designed big yacht will sail faster than a properly designed small yacht.

4. Length overall - Wikipedia

   en.wikipedia.org/wiki/Length_overall

   This length is important while docking the ship. It is the most commonly used way of expressing the size of a ship, and is also used for calculating the cost of a marina berth [1] (for example, £2.50 per metre LOA). LOA is usually measured on the hull alone. [2] For sailing ships, this may exclude the bowsprit and other fittings added to the hull.

5. Waterline length - Wikipedia

   en.wikipedia.org/wiki/Waterline_length

   A vessel's length at the waterline (abbreviated to L.W.L) [1] is the length of a ship or boat at the level where it sits in the water (the waterline). The LWL will be shorter than the length of the boat overall (length overall or LOA) as most boats have bows and stern protrusions that make the LOA greater than the LWL. As a ship becomes more ...

6. Displacement (ship) - Wikipedia

   en.wikipedia.org/wiki/Displacement_(ship)

   The process of determining a vessel's displacement begins with measuring its draft. [3] This is accomplished by means of its "draft marks". A merchant vessel has three matching sets: one mark each on the port and starboard sides forward, midships, and astern. [3] These marks allow a ship's displacement to be determined to an accuracy of 0.5%. [3]

7. Tonnage - Wikipedia

   en.wikipedia.org/wiki/Tonnage

   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.

8. Length between perpendiculars - Wikipedia

   en.wikipedia.org/wiki/Length_between_perpendiculars

   Graphical representation of the dimensions used to describe a ship. Length between perpendiculars (often abbreviated as p/p, p.p., pp, LPP, LBP or Length BPP) is the length of a ship along the summer load line from the forward surface of the stem, or main bow perpendicular member, to the after surface of the sternpost, or main stern perpendicular member.

9. Beam (nautical) - Wikipedia

   en.wikipedia.org/wiki/Beam_(nautical)

   Graphical representation of the dimensions used to describe a ship. Dimension "b" is the beam at waterline.. The beam of a ship is its width at its widest point. The maximum beam (B MAX) is the distance between planes passing through the outer sides of the ship, beam of the hull (B H) only includes permanently fixed parts of the hull, and beam at waterline (B WL) is the maximum width where the ...