tonnage measurement rules

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• Tonnage — Not to be confused with Ton. Tonnage is a measure of the size or cargo carrying capacity of a ship. The term derives from the taxation paid on tuns or casks of wine, and was later used in reference to the weight of a ship s cargo; however, in… …   Wikipedia

• Tonnage — Ton nage (?; 48), n. [From {Ton} a measure.] [1913 Webster] 1. The weight of goods carried in a boat or a ship. [1913 Webster] 2. The cubical content or burden of a vessel, or vessels, in tons; or, the amount of weight which one or several… …   The Collaborative International Dictionary of English

• Gross tonnage — Gross Tonnage, along with Net Tonnage, was defined by The International Convention on Tonnage Measurement of Ships, 1969 , adopted by the International Maritime Organization in 1969, and came into force on July 18, 1982. These two measurements… …   Wikipedia

• Net tonnage — is calculated by measuring a ship s internal volume and applying mathematical formulae. Net tonnage (often abbreviated as NT, N.T. or nt) is a dimensionless index calculated from the total moulded volume of the ship s cargo spaces by using a… …   Wikipedia

• Gross Register Tonnage — NOTOC . [The corresponding mass depends on what the volume is filled with, for example, 1 GRT of water weighs around 2,800 kg.] This calculation of gross register tonnage is complex; a hold can, for instance, be assessed for grain (accounting for …   Wikipedia

• Thames Measurement — Thames Measurement, also known as Thames Tonnage, is a system for measuring ships and boats. It was created by the Thames Yacht Club, and was designed for small vessels, such as yachts. It was originally used for calculating the port dues for… …   Wikipedia

• Turret deck ship — A turret deck ship is a type of merchant ship with an unusual hull, designed and built in the late 19th and early 20th centuries.The hulls of turret deck vessels were rounded and stepped inward above their waterlines. This gave some advantages in …   Wikipedia

• International Rule (sailing) — The International Rule, also known as the Metre Rule, was created for the measuring and rating of yachts to allow different designs of yacht to race together under a handicap system. Prior to the ratification of the International Rule in 1907,… …   Wikipedia

• Schiffsvermessung — ist die Ermittlung des Raumgehaltes eines Seeschiffes (engl. tonnage of a ship) Tonne = Fass aus dem Keltischen (mittelirisch/gälisch: tunna) von dort ins Mittellateinische (tunna = Fass, um 600 n. Chr. in die germanische und romanischen… …   Deutsch Wikipedia

• Moorsom System — The Moorsom System is a method created in Great Britain of calculating the tonnage or cargo capacity of sailing ships as a basis for assessing harbour and other vessel fees. It was put into use starting in 1849 and became British law in 1854.… …   Wikipedia

• Trunk deck ship — A trunk deck ship is a type of merchant ship with a hull that was stepped inward in order to obtain more favourable treatment under canal toll rules then in effect. As those tolls were set by net tonnage, a measure of volume, and as the tonnage… …   Wikipedia