Originally Posted by
Toshbaf
I suspect that the dead co-pilot was murdered. The other possibility was severe psychiatric problems. No sane person jumps out of an airplane at altitude and expects to live, if they lack a parachute. Even jumping into a lake is fatal unless it is from a very low altitude.
-This is my gut feeling as well
-However, it would be difficult to prove this if the pilot continues to remain tight-lipped
-An alternate (not entirely unplausible) explanation is that the copilot went outside of the airplane in order to inspect the broken landing gear