dan-air-services-ltd-v-civil-aeronautics-board-british-midland-airways , 475 F.2d 408 ( 1973 )
british-caledonian-airways-limited-v-civil-aeronautics-board-ford , 584 F.2d 982 ( 1978 )
Pan American World Airways, Inc., and Trans World Airlines, Inc. v. Civil Aeronautics Board , 517 F.2d 734 ( 1975 )