Altimeter in Black Hawk helicopter may have malfunctioned before DCA mid-air collision ...Middle East

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Altimeter in Black Hawk helicopter may have malfunctioned before DCA mid-air collision

The National Transportation Safety Board says altimeter in the Black Hawk helicopter may have malfunctioned before the DCA mid-air collision with an American Airlines jet. All 67 people aboard died.

(Image credit: Al Drago)

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