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

Friday was the final day of the National Transportation Safety Board's (NTSB) three-day hearing on the deadly plane crash at ...

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

The new details were part of thousands of documents -- including new video from the end of the runway showing the crash -- the National Transportation Safety Board released.

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

Hearings began on the deadly midair collision between a passenger plane and a Black Hawk helicopter over Washington, D.C., in ...

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 ...

The National Transportation Safety Board has opened public hearings on a January midair collision between an Army Black Hawk ...