IS.AIR.GOOD.MT.K1air transport freight million ton km_wdi
- Air freight is the volume of freight, express, and diplomatic bags carried on each flight stage (operation of an aircraft from takeoff to its next landing), measured in metric tons times kilometers traveled.
International Civil Aviation Organization, Civil Aviation Statistics of the World and ICAO staff estimates.
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Created 1/7/16, last modified 3/13/17