If any tragedy did happen like this , passengers lost conscious immediately after being exposed to thin air up there , they won\'t suffer too much. In 1985, Japan airline flight 123 lose control n go ups n downs n pilot struggled for over 30 mins trying to regain control of the aircraft .All passengers were desperate and knew deep down inside they were going to die n wrote goodbye notes to their families .. Those notes were later discovered with their body ... It is the worst thing that would ever happen to ppl