The NTSB gave an update Friday on the devastating crash in Washington, D.C., between an American Airlines plane and U.S. Army Black Hawk helicopter.

The National Transportation Safety Board said the helicopter’s cockpit voice recorder didn’t capture key directions from air-traffic control and is investigating whether the crew might have seen a different altitude on the flight instruments.

Investigators say the crew of the helicopter that collided midair with an American Airlines jet near Washington D

Members of the National Transportation Safety Board gave an update Friday on the investigation into last month's midair collision between an Army helicopter and an American Airlines plane. Following their update,

The crew of the helicopter that collided midair with an American Airlines jet near Washington D.C.‘s Ronald Reagan National Airport might not have heard instructions from the air traffic controller to pass behind the plane,

The National Transportation Safety Board provided an update on Friday into the investigation of the deadly Army Black Hawk helicopter and American Airlines flight collision.

LIVE: Watch the NTSB press conference in the video player above. The collision was the deadliest plane crash in the U.S. since 2001, when a jet slammed into a New York City neighborhood just after takeoff,