Most common crash reason?
You guys have it all wrong.............
It's.................................THEM!!!!!!!!! !!
Aliens have a bad habit of playing with R/C planes..........
THEY...................love to watch 'em CRASH!!!!!!
Seriously though.........I think the most prevalent reasons for crashes...
Either disorientation.....and DUMB THUMBS!!!!!!!!!!
OR
Equipment failure..............
My $.02375 worth.............