In my green phase I was aware of a lot of people who much preferred jumping at night - they couldn't see the ground when they were in the door. Most people hated jumping from a balloon.
Perhaps the fear of a parachute failure had something to do with it!
I must admit I am frightened of flying in helicopters. As a CCF cadet I was meant to fly in a RN Hiller HTE2 at Old Sarum, but was talked into a Chipmunk trip by a persuasive F/Sgt pilot while waiting for the RN Commander to finish a lecture. I was airborne in the Chipmunk when shortly after take-off the Hiller lost a rotor blade over Old Sarum Castle. The pilot was killed. Many years later in an Argosy, I was joining the circuit at Khormaksar when a Belvedere exploded in front of us, due to an uncontained turbine blade entering the avpin tank. Hanging under a chopper while being winched from the sea during survival courses used to terrify my
