Preliminary data from the deadliest U.S. aviation accident in nearly 25 years showed conflicting readings about the altitudes of an airliner and Army helicopter when they collided near Washington.

Investigators hope to reconcile the altitude differences with data from the helicopter's black box, which is taking more time ...

The information was based on data recovered from the jet's flight data recorder that tracks the aircraft's movements, speed ...

Some have suggested that it stems from Hussenot's device because it used film and "ran continuously in a light-tight box, hence the name 'black box,'" according to Airbus, which noted that orange was ...

WASHINGTON (AP) — A U.S. Army captain who died in Wednesday's midair collision of a Black Hawk helicopter and an American ...

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