Black Hawk helicopter’s altimeter may have been inaccurate, pilots may have missed some calls from control tower
A preliminary analysis of the flight data and voice recorder on board a Black Hawk helicopter leading up to the collision ...
Army Helicopter Might Have Missed Critical Instruction Before Midair Crash
Investigators said that an air traffic controller had instructed the Black Hawk crew to pass behind a nearby passenger jet, ...
Army helicopter, plane crash: NTSB gives investigation update
The National Transportation Safety Board provided an update on Friday into the investigation of the deadly Army Black Hawk helicopter and American Airlines flight collision.