NTSB investigators found Friday that the aircraft involved in the mid-air collision over DCA lacked certain collision ...

The pilots of a U.S. Army helicopter that collided with a passenger jet over Washington in January would've had difficulty ...

As hearings unfold into the fatal January plane-helicopter collision near D.C., investigators say the FAA ignored clear safety warnings.

The National Transportation Safety Board questioned witnesses Friday on collision avoidance technology and organizational safety systems to manage risk. It is the third and final day of investigative ...