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.

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

Federal investigators will release their findings early next year about the cause of the midair collision, which killed 67 ...

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 ...

Long-standing concerns about military helicopters flying in crowded airspace and worries over short staffing among federal ...

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

A deadly midair collision occurred in Washington this January. Sixty-seven people died in the accident. A broken altimeter ...

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 ...