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Deadly UPS MD-11 crash: Investigators zero in on engine failure

The crash of a UPS MD-11 freighter during takeoff from Louisville has rapidly shifted from a mystery to a focused hunt for ...
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How Boeing Tests Aircraft Structural Fatigue

Inside the massive testing hangars across Seattle and Everett, the world's biggest jetliners are turned into mechanical lab rats. Hydraulic actuators yank their wings skyward, compressors simulate ...