1.   Again the controls moved on their own, and this time the plane rolled on its back, beginning the fatal dive into the ground.

2.   It is expected to say the Egyptian co-pilot deliberately sent the plane into a fatal dive.

3.   Speculation that a co-pilot might have crashed the aircraft purposely followed news leaks that the cockpit voice recorder contained part of an Islamic prayer just before the fatal dive.

4.   It has yet to be explained how the locomotive managed to circumvent four different safety mechansims before taking its fatal dive into the shaft.