Over the course of three days of investigative hearings, the National Transportation and Safety Board sought to gather more information about the factors that lead to the deadly midair collision over ...

An air traffic controller failed to notify the crew of a commercial plane that an Army helicopter was moving toward the aircraft before the collision in Washington, D.C., in January that killed 67 ...

Investigators have uncovered several factors that contributed to the collision of a U.S. Army helicopter and a passenger airplane near Washington, D.C., last January, killing 67 people in the ...