It was not to be a long flight, the trip to grandfather's. And they had plenty of time. Why not fly over the Petrified Forest, Burr suggested to his father, who was piloting their small plane. So the two went off their flight plan; and when the accident happened, when Burr's father had a heart attack and died, after bringing the plane to a landing in a desert draw, there was no way anyone would know where to look for them.