. . . . . . . . . . . . "ALO" . . . "1952" . "AL" . "1939-03-07" . . . . . . "1979-10-28" . . . . "Allegheny" . . . "Allegheny Commuter" . . . . . . . . . "Allegheny Airlines, Inc." . . . . . . . . . . . . . . . "USAir" . "Allegheny Airlines" . . "Allegheny Airlines" . . . . . . . .