I was at an airport during a recent business trip, watching planes take off and land when I saw the iconic Boeing 747 take off. This reminded me how growing up, 747 was a favorite. There is just something special about a double-decker jumbo jet capable of flying long range routes. But the one factor that endeared me to 747 above all else were its four engines. Perhaps as a foreshadowing of my future interests, it just felt inherently more reliable to fly on a plane with that level of redundan...