"When two planes collided just above a runway in Tenerife in 1977, a man was stuck, with his wife, in a plane that was slowly being engulfed in flames. He remembered making a special note of the exits, grabbed his wife's hand, and ran towards one of them. As it happened, he didn't need to use it, since a portion of the plane had been sheared away. He jumped out, along with his wife and the few people who survived. Many more people should have made it out. Fleeing survivors ran past living, uninjured people who sat in seats literally watching for the minute it took for the flames to reach them." - http://io9.com/the-frozen-calm-of-normalcy-bias-486764924
Speaking as someone who's been trough that, I don't think that the article gives a complete picture. Part of the problem appears to be (particularly by reports from newer generations) in such instaces is the feeling of unreality, as the only times when we tend to see such situations is when we're sitting comfortably, so a lot of us are essentially conditioned to sit comfortably during such events.
However, this does tend to get better with some experience of such situations.
Another month has passed and here is a new rationality quotes thread. The usual rules are: