The development of Extended-range Twin-engine Operational Performance Standards, or ETOPS, marked a major shift in commercial aviation. Before ETOPS, twin-engine aircraft were restricted to flying ...
The McDonnell Douglas DC-10 laid the foundation for the MD-11, both structurally and conceptually. First entering airline service in 1971 with American Airlines, the DC-10 was developed to meet ...
Long before twinjets ruled the skies, Lockheed studied a twin-engine L-1011. Why did it never leave the drawing board?
These carriers were all big fans of the legendary trijet.