How many planes did John McCain crash?

He was shot down in one jet.

He had an engine failure in another jet and it crashed despite his efforts to relighth the engine.

He crashed into Corpus Cristi Bay...crash cause undetermined

He clipped some power lines in Spain, but plane did not crash

He was in a jet on the USS Forestall that was hit by rocket fired across the flight deck from another jet.

Source: http://www.factcheck.org/askfactcheck/did_mccain_crash_five_planes_did_he.html