Helicopter crew in collision with plane may not have heard key instruction from tower, NTSB says
WASHINGTON (AP) — The crew of the helicopter that collided midair with an American Airlines jet near Washington D.C.’s Ronald ...
Black Hawk crew may not have heard message to 'pass behind' DC-bound plane before midair crash: NTSB
The NTSB said Army Black Hawk crew may not have heard a message to "pass behind" the D.C.-bound passenger plane before the Jan. 29 midair crash over the Potomac River.