Glossary of maritime terms - G
GA - General Average
GANG - term used to describe a selected work force or team that works as a team in a harbour environment, usually in stevedoring.
GANGWAY - a narrow portable platform used as a passage, by persons entering or leaving a vessel moored alongside a pier or quay.
GAS TANKER - Specially designed for the transport of condensed (liquefied) gases. The most important gases are: ammonia, ethylene, LNG (Liquefied Natural Gas), which consists mainly of methane, and is cooled to a temperature of minus 163 degrees Celsius, and LPG (Liquefied Petroleum Gas) such as butane and propane.
GATF - General Agreements on Tariffs and Trade.
GATT - General Agreement on Tariffs & Trade, an international agreement embodying a code of practice for fair trading in international commerce. Is headquartered in Geneva.
GDP - Gross Domestic Product: The total value of goods and services produced by a nation over a given period, usually 1 year.
GENERAL CARGO - A non-bulk oil cargo composed of miscellaneous goods.
GNP - Gross National Product: GDP plus the net income accruing from foreign sources.
GREAT LAKES PORTS - Ports in the lakes of Canada and/or USA popular for grain shipments. Also refers to ports on the Great lakes of East Africa
GREAT LAKES SHIP - Cargo ship developed to carry raw materials and manufactured
goods on the Great Lakes. Most carry bulk cargoes of grain, iron ore or coal.
GROSS & NET TONNAGE(GT and NT) - Gross tonnage is the basis on which manning rules and safety regulations are applied, and registration fees are reckoned. Port fees are also often reckoned on the basis of GT and NT. GT and NT are defined according to formulas which take account, among other things, of the volume of the vessel's enclosed spaces (GT) and the volume of its holds (NT).
GROSS REGISTERED TONS - A common measurement of the internal volume of a ship with certain spaces excluded. |A|B|C|D|E|F|G|H|I|J|K|L|M|N|O|P|Q|R|S|T|U|V|W|X|Y|Z|