Ban extended on helicopter route involved in deadly D.C. midair collision after NTSB warns ...
The NTSB issued its preliminary report on the midair collision between a passenger plane and helicopter over Washington, D.C.
Investigators give update on Washington plane crash that killed 67
The National Transportation Safety Board has just given an update on the investigation into a deadly crash between a passenger plane and a military helicopter The aircraft collided at night on 29 ...