In aircraft crashes, there are usually a series of contributing factors to the crash. I totally agree that the valve's design/position was the major one. But h

In aircraft crashes, there are usually a series of contributing factors to the crash. I totally agree that the valve's design/position was the major one. But he shouldn't have found himself in a situation where he had to change fuel tanks just few hundred feet in the air. I don't mean that in any bad way towards Denver. The world is a poorer place without him in it.