What is known about the deadly January air crash between a passenger jet and US Army helicopter
On Jan. 29, an American Airlines passenger jet and an Army helicopter collided as the plane prepared to land at Washington D.C.’s Ronald Reagan National Airport.
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 might not have heard key air traffic controller instructions.