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

The deadly mid-air collision at Reagan Airport in January was years in the making, the operations manager of the DCA air ...

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

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

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

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

The NTSB continued its hearings Thursday into the deadly air collision between a military aircraft and a passenger jet.

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

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

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 ...