while we said it was a long term business and the effects will be felt in a few years' time. and in the latest turn in the ongoing investigation into the crash of an ethiopian airlines flight and initial data have reportedly now shown that the anti stall system was activated shortly before the accident whether the system misfired has been a central question of the probe there's been no comment so far from the plane maker boeing it's continued to insist the mac series is safe. the wall street journal reports the m. cast software aboard ethiopian airlines flight three hundred two bound for nairobi activated automatically before the plane nose dived into the ground while one hundred fifty seven people on board died. the family of one passenger from rwanda has filed a lawsuit in chicago federal court alleging boeing defectively designed the automates of flight control system the m cas flight control feature has also been