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

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

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

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

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

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

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.

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 ...