Believed it or not, there was one pilot that was unconscious because the carbondioxide was lacked into his pane and it was flown by itself for many hundred kilometers, but the pilot survived .
The pilot who lucky like that maybe the only one of the world .He warplanes a doctor whose name was Rob Fraser. He was 47 years old. One day he flew a small “Piper Comanche “that had four seats and one machine from runway in the middle of Cancas to Topeka in the morning. That town was far to the east about 255 kilometers. Suddenly, the exhaust gas was leaked and then the carbondioxide came into the plane. When he was conscious he pressed the button “Ghost Pilot”or automatic button. After that, the plane was flown by itself about 400 kilometers , and it was landed to the ground safely buy not softly because of the help of mane of trees on the snow field. It was unable to believe that he survived.