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Thursday, December 15, 2011

F-22 oxygen system malfunctioned moments before crash

F-22 RaptorA US Air Force report says the regular oxygen system stopped working before a fatal Lockheed Martin F-22 crash in Alaska last November.

The accident investigation board still blames the accident on the pilot, Captain Jeffrey Haney, who failed to activate an emergency oxygen supply that could have saved his life and the aircraft.

But the failure of an engine bleed air system that feeds the Honeywell onboard oxygen generation system (OBOGS) in the moments before the crash is a new twist in the evolving story.

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