Seems he had a few problems. LATimes (10.06.08), via occams hatchet:
"'Three mishaps are unusual,' said Michael L. Barr, a former Air Force pilot with 137 combat missions in Vietnam and an internationally known aviation safety expert who teaches in USC's Aviation Safety and Security Program. 'After the third accident, you would say: Is there a trend here in terms of his flying skills and his judgment?' Mishaps mark John McCain's record as naval aviator"Jeremiah Pearson, a Navy officer who flew 400 missions over Vietnam without a mishap and later became the head of human spaceflight at NASA, said: 'That's a lot. You don't want any. Maybe he was just unlucky.'"