Agreed. Also I believe our subconscience (or primal instincts) plays a role here. Flying in a plane is more or less akin to walking in the dark. Our conscious

Agreed. Also I believe our subconscience (or primal instincts) plays a role here. Flying in a plane is more or less akin to walking in the dark. Our conscious mind sees it ordinary, but our animal half still is behind the times, and feels afraid.