C
Capra ibex
Ejection button with your own chute packed seems to be a basic safety requirement.
Perhaps if he was convinced that the Earth is flat, then he thought he could fly...?
Or maybe he wasn't going to stop doing dumber and dumber stunts until he died anyway.
He was one of these types,
https://www.youtube.com/watch?v=FBN3xfGrx_U