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

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

The National Transportation Safety Board questioned witnesses Friday on collision avoidance technology and organizational ...

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

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

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

New details are emerging about the deadly collision between an American Airlines flight and an Army helicopter in January ...

The pilots of a Black Hawk helicopter that collided with a passenger jet near Washington Reagan National Airport in January ...

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

The National Transportation Safety Board began its second day of investigative hearings into the fatal crash of American Eagle Flight 5342.

The National Transportation Safety Board began its three days of investigative hearings on Wednesday into January's midair collision betw ...

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