On the surface, Helios Airways flight 522 seems ominous, as if it had been done on purpose. Why else would oxygen masks have been deployed with no move to descend to a breathable altitude? Why else ...

Aviation is one of the most remarkable achievements in human history, but sadly, flying eventually became the safest way to travel only because of piloting and engineering principles learned through ...

Add Yahoo as a preferred source to see more of our stories on Google. On August 14, 2005, Helios Airways Flight 522 crashed into the hills of the Greek town Grammatiko, killing all 121 passengers ...