The goggles also limited the pilots' peripheral vision as they flew near Ronald Reagan Washington National Airport.

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

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 questioned witnesses Friday on collision avoidance technology and organizational ...

The Federal Aviation Administration said on Friday it is planning additional helicopter route changes near Ronald Reagan ...

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

The NTSB heard testimony from air traffic controllers, the Federal Aviation Administration and the Army about the mid-air collision of an Army helicopter and passenger plane.

Investigators probing the January midair collision of a passenger plane and an Army helicopter over Washington that killed 67 people found the chopper was flying higher than the it should have been ...

A three-day National Transportation Safety Board hearing on the deadliest U.S. aviation accident in decades dug into problems ...