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

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

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

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

Investigators have found that a helicopter involved in a deadly crash with a passenger plane over Washington was flying above ...

Tuesday was day two of a three-day hearing on the deadly plane crash at Reagan Airport that took the lives of 67 people in ...

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

The family of Sam Lilley, the co-pilot of a January flight that collided with an Army helicopter near Washington, D.C., has become respected advocates for air safety.

Months after the deadly D.C. plane and U.S. Army helicopter crash, parents of one of the pilots are advocating for aviation safety reform. Credits: AJC|NBC|NTSB ...

Air traffic controller failed to notify commercial plane crew about approaching Army helicopter before Washington D.C. collision that killed 67 people, FAA official says.

Incorrect altitude readings on the Army helicopter that collided with a passenger plane over Washington, D.C., in January contributed to the aircraft getting too close, but air traffic controllers ...

The NTSB continued its hearings Thursday into the deadly air collision between a military aircraft and a passenger jet.