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A marine loading arm, also known as a mechanical loading arm, loading arm, or MLA is a mechanical arm consisting of articulated steel pipes that connect a tankship such as an oil tanker or chemical tanker to a cargo terminal. Genericized trademarks such as Chiksan (often misspelled Chicksan) are often used to refer to marine loading arms. [2][3]
The process of moving oil off of a tanker is similar to loading, but has some key differences. [100] The first step in the operation is following the same pretransfer procedures as used in loading. [101] When the transfer begins, it is the ship's cargo pumps that are used to move the product ashore. [101]
ship-to-ship (STS) transfer operation is the transfer of cargo between seagoing ships positioned alongside each other, either while stationary or underway. Cargoes typically transferred via STS methods include crude oil, liquefied gas (LPG or LNG), bulk cargo, and petroleum products. The nomenclature STS transfer should be used in reference to ...
A major component of tanker architecture is the design of the hull or outer structure. A tanker with a single outer shell between the product and the ocean is said to be single-hulled.[4] Most newer tankers are double-hulled, with an extra space between the hull and the storage tanks. [4] Hybrid designs such as double-bottom and double-sided ...
Cargo control room. The cargo control room, CCR, or cargo office of a tankship is where the person in charge (PIC) can monitor and control the loading and unloading of the ship's liquid cargo. Prevalent on automated vessels, the CCR may be in its own room, or located on the ship's bridge. [1][2] Among other things, the equipment in the CCR may ...
Underway replenishment (UNREP) (U.S. Navy) or replenishment at sea (RAS) (North Atlantic Treaty Organization / Commonwealth of Nations) is a method of transferring fuel, munitions, and stores from one ship to another while under way. First developed in the early 20th century, it was used extensively by the United States Navy as a logistics ...
A tanker (or tank ship or tankship) is a ship designed to transport or store liquids or gases in bulk. Major types of tankship include the oil tanker (or petroleum tanker), the chemical tanker, cargo ships, and a gas carrier. Tankers also carry commodities such as vegetable oils, molasses and wine. In the United States Navy and Military Sealift ...
Marine Transfer Operations are conducted at many ports around the world between tanker ships, barges, and marine terminals. Specifically, once the marine vessel is secure at the dock a loading arm or transfer hose is connected between a valve header on the dock and the manifold header on the vessel. A marine transfer of petroleum products ...