A long list of things went wrong in January and contributed to the collision between an Army helicopter and an American ...

The NTSB concluded three days of investigative hearings into the collision between an Army helicopter and a passenger plane ...

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

At their closest points, helicopters and planes routinely flew within 75 feet near the airport, according to the NTSB.

Tuesday was day two of a three-day hearing on the deadly plane crash at Reagan Airport that took the lives of 67 people in ...

The Army helicopter that collided with a plane over D.C. in January had incorrect altitude readings, contributing to the ...

The National Transportation Safety Board is launching a three-day investigation hearing on the D.C. plane crash that left 67 ...

The NTSB began its hearings looking into the deadly January air crash between a military vehicle and a passenger jet.

Federal investigators opened a three-day inquiry Wednesday into the January plane crash that killed 67 people over Washington ...

The communications between pilots and air traffic control were laid out in a visual timeline in Day One of the NTSB ...

Investigators aim to uncover insights into what caused the crash between an American Airlines plane and a Black Hawk ...