Bigger, faster and more efficient than today's planes, the upcoming generation of jumbo jets and supersonic transports will enable airlines to fly the skies more economically than ever. Economies will be hard to come by, however, when such planes are on the ground. Rather than go it alone in footing the bills for servicing and overhauling, Eastern Air Lines and Trans World Airlines embarked last week on a joint project designed to reduce the cost of maintaining their future superjet fleets.
Under the plan, which must be approved by the Civil Aeronautics Board, TWA will handle aircraft maintenance and the training...