Investigators so far have highlighted several factors that may have contributed to the collision, which left 67 people dead.

Investigators have found that a helicopter involved in a deadly crash with a passenger plane over Washington was flying above ...

While the Army Black Hawk helicopter in the D.C. plane crash with an American Airlines passenger jet in January appears to ...

The details came out of the first day of National Transportation Safety Board hearings in Washington, where investigators aim ...

The NTSB enters a second day of public hearings on the January midair collision between an Army Black Hawk helicopter and a ...

It was the first acknowledgment by the Federal Aviation Administration of a possible error by the controller in the moments ...

The NTSB showed the harrowing video of the Jan. 29 crash over the Potomac River as the agency kicked off a three-day hearing ...

Six months after an Army helicopter crashed into an American Airlines passenger plane near Washington, D.C., killing 67 people, officials now say the crew in the chopper likely believed they were flyi ...

The National Transportation Safety Board enters a second day of public hearings Thursday on the January midair collision ...