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

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

A three-day hearing into the January mid-air collision between an Army Blackhawk helicopter and an American Airlines jet ...

Aviation experts said the goggles may have created viewing difficulties for the pilots of a U.S. Army helicopter that ...

Incorrect altitude readings on the Army helicopter that collided with a passenger plane over Washington, D.C., contributed to ...

Topics centered on the helicopter's air data systems and altimeters, the Class-B airspace and helicopter routes surrounding ...

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

Twenty seconds before impact, the alert system warned 'traffic, traffic.' The pilots were flying blind, unaware a Black Hawk was nearby ...