Transport > Merchant marine Stats: compare key data on Cook Islands & United States
Definitions
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By type:
Merchant marine may be defined as all ships engaged in the carriage of goods; or all commercial vessels (as opposed to all nonmilitary ships), which excludes tugs, fishing vessels, offshore oil rigs, etc. This entry contains information in four fields - total, ships by type, foreign-owned, and registered in other countries.
Total includes the number of ships (1,000 GRT or over), total DWT for those ships, and total GRT for those ships. DWT or dead weight tonnage is the total weight of cargo, plus bunkers, stores, etc., that a ship can carry when immersed to the appropriate load line. GRT or gross register tonnage is a figure obtained by measuring the entire sheltered volume of a ship available for cargo and passengers and converting it to tons on the basis of 100 cubic feet per ton; there is no stable relationship between GRT and DWT.
Ships by type includes a listing of barge carriers, bulk cargo ships, cargo ships, chemical tankers, combination bulk carriers, combination ore/oil carriers, container ships, liquefied gas tankers, livestock carriers, multifunctional large-load carriers, petroleum tankers, passenger ships, passenger/cargo ships, railcar carriers, refrigerated cargo ships, roll-on/roll-off cargo ships, short-sea passenger ships, specialized tankers, and vehicle carriers.
Foreign-owned are ships that fly the flag of one country but belong to owners in another.
Registered in other countries are ships that belong to owners in one country but fly the flag of another. -
Foreign-owned:
Merchant marine may be defined as all ships engaged in the carriage of goods; or all commercial vessels (as opposed to all nonmilitary ships), which excludes tugs, fishing vessels, offshore oil rigs, etc. This entry contains information in four fields - total, ships by type, foreign-owned, and registered in other countries.
Total includes the number of ships (1,000 GRT or over), total DWT for those ships, and total GRT for those ships. DWT or dead weight tonnage is the total weight of cargo, plus bunkers, stores, etc., that a ship can carry when immersed to the appropriate load line. GRT or gross register tonnage is a figure obtained by measuring the entire sheltered volume of a ship available for cargo and passengers and converting it to tons on the basis of 100 cubic feet per ton; there is no stable relationship between GRT and DWT.
Ships by type includes a listing of barge carriers, bulk cargo ships, cargo ships, chemical tankers, combination bulk carriers, combination ore/oil carriers, container ships, liquefied gas tankers, livestock carriers, multifunctional large-load carriers, petroleum tankers, passenger ships, passenger/cargo ships, railcar carriers, refrigerated cargo ships, roll-on/roll-off cargo ships, short-sea passenger ships, specialized tankers, and vehicle carriers.
Foreign-owned are ships that fly the flag of one country but belong to owners in another.
Registered in other countries are ships that belong to owners in one country but fly the flag of another. - Total: 1000 GRT or over
- Total > Dwt: Dwt=Deadweight tonnage, a measure of the capacity of a cargo ship
- Total > Dwt > Per capita: Dwt=Deadweight tonnage, a measure of the capacity of a cargo ship Per capita figures expressed per 1,000 population.
- Total > GRT: GRT=Gross Register Tonnage
- Total > GRT > Per capita: GRT=Gross Register Tonnage Per capita figures expressed per 1,000 population.
- Total > Per capita: 1000 GRT or over Per capita figures expressed per 1 million population.
SOURCES: CIA World Factbooks 18 December 2003 to 28 March 2011; All CIA World Factbooks 18 December 2003 to 18 December 2008
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