Watch as the National Transportation Safety Board hosts a media briefing on its investigation into Wednesday’s mid-air collision near the Ronald Reagan Washington National Airport.The collision involved a PSA Airlines Bombardier CRJ700 airplane and a Sikorsky H-60 military helicopter and killed 67 people.

The National Transportation Safety Board will be holding a briefing on Friday at 4 p.m., regarding the latest information on Wednesday’s mid-air collision in Washington D.C.

Kentucky native J. Todd Inman is helping oversee the investigation into the Washington D.C. plane crash for the National Transportation Safety Board.

CBS News confirmed only one air traffic control worker was managing the helicopters when the crash between a military helicopter and passenger plane occurred in Washington D.C. That is a job normally done by two people.

After the deadly collision between a passenger plane and a U.S. Army helicopter in Washington, D.C., politicians and political commentators were quick to cast blame. President Donald Trump suggested diversity initiatives within the Federal Aviation Administration were at fault for the crash,

Sixty passengers and four crew members from the plane and three Black Hawk helicopter personnel are feared dead as a recovery mission is underway.

The recovery operation continued on Friday as investigators worked to find out what caused the deadly midair collision near Washington, D.C. The National Transportation Safety Board said investigators have all black boxes from the involved aircraft.

National Transportation Safety Board Chair Jennifer Homendy said Thursday at a press conference that “we look at facts on our investigation and that will take some time.”

Clues emerging from the moments before an Army helicopter collided with a passenger jet suggest breakdowns in the system meant to help aircraft land safely at the busy Reagan National Airport.

The leadership of the National Transportation Safety Board held a news conference Thursday afternoon to talk about the investigation into a midair collision involving a commuter jet

An American Airlines plane carrying 60 passengers and four crew members collided with an Army Black Hawk helicopter outside Reagan National Airport near Washington, D.C. Wednesday night. A D.C. fire official said Thursday that “we don't think there are any survivors from this accident" and "we are switching from a rescue operation to a recovery operation.