An emergency landing system that passengers can activate

ON NOVEMBER 9TH 2018 a Piper Dakota light aircraft flying over Iowa broadcast a distress call. The pilot seemed to have suffered a heart attack. One of the other three people on board, a student aviator, had taken over the controls, but to no avail. The plane crashed shortly afterwards, killing all four. How often such things happen is not well recorded. But an Australian report published in 2016 listed 15 cases in the five years from 2010 to 2014 of the pilots of small aircraft being incapacita...