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154 HELICOPTER AIR SERVICE PROGRAM LOS ANGELES AIRWAYS INC. CAPACITY VS TRAFFIC CARRIED [[image - two line graph showing Los Angeles Airways Capacity vs Traffic carried from 1952 to 1963 for available tom miles and ton miles flown]] PROGRESS • IN AIRCRAFT DEVELOPMENT DECREASING COSTS • INCREASING SPEED • SIZE PRODUCTIVITY [[image - line graph showing direct costs per available seat mile vs year from 1947 to 1962 and forecast to 1968]]