The agency had also reported evidence that some members of the crew had apparently activated their emergency oxygen systems immediately after the explosion.

Some of the consequences include small round windows, doors that open inwards and are larger than the door hole, and an emergency oxygen system.

While he was working at this he spotted his undershirt and business tunic suspended from the golden ceiling-nozzle of the emergency oxygen system.

Aircraft emergency oxygen systems are emergency equipment fitted to pressurized commercial aircraft, intended for use when the cabin pressurisation system has failed and the cabin altitude has climbed above a safe level.

The accident review board ruled the pilot (wearing bulky cold-weather gear and night vision goggles) was to blame for the accident, as he did not react properly and did not engage the emergency oxygen system.

Ted had doubtless been instructed about how to handle hysterics like Gardener; the company taught their Teds to do that as routinely as the airlines taught stewardesses how to demonstrate the emergency oxygen system of the jets in which they flew.

Using the emergency oxygen system, the captain began his emergency descent from FL250 under radar guidance from Hanover air traffic control (ATC), while the co-pilot depressurised the aircraft and attempted to open a side window to clear the smoke.

In response to the accident investigation results, the engagement handle for the emergency oxygen system was redesigned to improve location and grasping, and the emergency oxygen system should engage automatically when OBOGS is shut down due to an engine failure.