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

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

Light pollution from Washington and the passenger jet’s dim lights might have contributed to difficulties spotting American ...

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

A long list of things went wrong in January and contributed to the collision between an Army helicopter and an American ...

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 ...

An investigative hearing into a deadly collision of a US Army helicopter and a plane that killed 67 revealed a discrepancy in ...

An NTSB investigation into a fatal helicopter-airplane collision in D.C. revealed a faulty helicopter altimeter and prior ...

An investigative hearing into a deadly mid-air collision of a US Army helicopter and a passenger plane that killed 67 people in Washington has revealed a discrepancy in the chopper's altitude displays ...