Sixty-seven people on a commercial flight were killed when the airliner collided with an Army helicopter over Washington, D.C. in January.

The family of one of the 67 people killed earlier this year when an American Airlines plane and a United States Army helicopter collided over Washington, D.C., filed a lawsuit on Wednesday against the...

The lawsuit also hones in on the alleged decision to route the incoming flight to a runway air traffic controllers said was “more difficult,” over the reservations of the flight’s first officer.