The National Transportation Safety Board questioned witnesses Friday on collision avoidance technology and organizational ...

Wednesday, the National Transportation Safety Board will begin a three-day investigative hearing on the Jan. 29 mid-air ...

The National Transportation Safety Board is continuing to investigate a fatal midair crash at Ronald Reagan Washington ...

The NTSB concluded three days of investigative hearings into the collision between an Army helicopter and a passenger plane ...

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

The head of the National Transportation Safety Board sharply criticized U.S. officials for failing to act before the January ...

The January midair collision near Ronald Reagan Washington National Airport, which killed 67 people, is the topic of a ...

The National Transportation Safety Board on Thursday questioned the failure of an air traffic controller to issue a warning ...

At their closest points, helicopters and planes routinely flew within 75 feet near the airport, according to the NTSB.

Shortly before the collision, air traffic controllers at Reagan National Airport requested to move the military helicopter ...

The hearings revealed that the air traffic controller had been overwhelmed, the helicopter's altimeter was inaccurate and there had been previous concerns with the helicopter route.

As the NTSB hearing for the helicopter and American Airlines collision continues, several factors and findings were revealed ...