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Investigators search for Black Hawk flight recorder after deadly DC mid-air collision
Authorities are searching for the combined flight data recorder (FDR) and cockpit voice recorder (CVR) from a Sikorsky UH-60 Black Hawk involved in a mid-air collision near Ronald Reagan Washington ...
Arizona Daily Star3d
What can the 'black box' tell us about plane crashes?
Some have suggested that it stems from Hussenot's device, because it used film and "ran continuously in a light-tight box, ...