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 ...

The Army helicopter that collided with a plane over D.C. in January had incorrect altitude readings, contributing to the ...

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

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

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 ...

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

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

Investigators have so far highlighted several factors that may have contributed to the crash, which killed 67 people in ...