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

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

Air traffic controller failed to notify commercial plane crew about approaching Army helicopter before Washington D.C.

The National Transportation Safety Board is launching a three-day investigation hearing on the D.C. plane crash that left 67 ...

The army helicopter that crashed into a passenger jet over Washington DC was flying too high, investigators have concluded.

They were fiancés, mothers, fathers, friends, pilots, lawyers, hunters, coaches and figure skaters. These are the 67 people ...

The communications between pilots and air traffic control were laid out in a visual timeline in Day One of the NTSB ...

Federal investigators opened a three-day inquiry Wednesday into the January plane crash that killed 67 people over Washington ...

The National Transportation Safety Board began its three days of investigative hearings on Wednesday into January's midair ...

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

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