As investigators zero in on the final seconds before a regional American Airlines passenger jet and a Black Hawk military helicopter collided over Washington, D.C. on Wednesday night, sources told ABC ...

On *** typical morning you'd see planes right over my shoulder here making their way into Reagan National Airport. That's the same flight path that that plane and helicopter crashed last night on. Now ...

Concerns that a deadly collision could occur at Reagan National Airport had long been building. But attempts to draw attention to potentially dangerous conditions sometimes went unheeded. Concerns ...