Aircraft: Catching the Bus

AIRCRAFT Catching the Bus For months two old competitors have been battling with quiet intensity for one of the richest prizes in aviation history: the potential $15 billion market for the air bus, the oversize subsonic transport expected to be the domestic airline workhorse of the '70s. Lockheed Aircraft Corp. sprang to an early lead over McDonnell Douglas by unwrapping enticing plans last summer for a model (the L-1011) with twice the passenger capacity of jets currently flying short and medium runs. But last week, as teams from both rivals flew into...