The crew of the Army helicopter that hit a jet may have had inaccurate altitude readings and may not have heard air traffic ...

Investigators said that an air traffic controller had instructed the Black Hawk crew to pass behind a nearby passenger jet, ...

The helicopter had a combined cockpit voice recorder and digital flight data recorder. The cockpit voice recorder of the American Airlines regional jet had sustained water intrusion, the NTSB ...

The Black Hawk was conducting a check flight, and the pilot was being tested on night vision goggle uses and instrument flying.

Cockpit conversations a few minutes before ... and accustomed to the crowded skies around the nation's capital. The helicopter was on a check flight that night when the pilot was being tested ...

Homendy said the helicopter was on a “check" flight that night where the pilot ... limit for that location. Cockpit conversations a few minutes before the crash indicated conflicting altitude ...

Homendy said the helicopter was on a “check” flight that night where the pilot ... which was well above its 200-foot limit for that location. Cockpit conversations a few minutes before the ...

Homendy said the helicopter was on a check flight that night where the pilot ... Black Hawk above its 200-foot limit for that location. Cockpit conversations a few minutes before the crash ...