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 ...

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

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

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 ...

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

The National Transportation Safety Board will hold three days of hearings on the January midair collision that killed 67 ...

The National Transportation Safety Board (NTSB) entered its final day of hearings on the midair collision between an American ...

The National Transportation Safety Board (NTSB), the US agency tasked with examining major accidents, held hearings from ...