On August 14, 2005, Helios Airways Flight 522 departed Cyprus with a pressurization switch in the wrong position. All 121 aboard lost consciousness.
Aviation safety, as it stands today, was not built in a day. It was assembled piece by piece, lesson by lesson, often in the immediate aftermath of tragedy. The 1956 mid-air collision between two passenger aircraft, for instance, reshaped air traffic... [4747 chars]