It's one of the most important pieces of forensic evidence following a plane crash: The so-called “black box." There are actually two of these remarkably sturdy devices: the cockpit voice ...

The so-called “black box” is one of the most important pieces of forensic evidence following a plane crash It's one of the most important pieces of forensic evidence following a plane crash ...

Washington DC plane crash: A passenger jet collided with an Army helicopter while approaching Ronald Reagan National Airport near Washington DC on Wednesday. Both the flight and the helicopter ...

Meanwhile, investigators announced the black box from the Black Hawk helicopter has been recovered. They are reviewing the flight data recorder along with two from the plane as they probe the ...