Helicopter crew in collision with plane may not have heard key instruction from tower, NTSB says
Investigators say the crew of the helicopter that collided midair with an American Airlines jet near Washington D.C.’s Ronald ...
DC plane crash: New details emerge from NTSB investigation
The NTSB gave an update Friday on the devastating crash in Washington, D.C., between an American Airlines plane and U.S. Army ...
NTSB looking at possible bad data, missed tower message in Army chopper's collision with jet
The U.S. Army Black Hawk crew possibly didn't know there was an impending collision with a American Airlines jet in ...
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 ...