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.

No chute or slides appeared to be deployed from the American Airlines plane, according to J. Todd Inman, a member of the National Transportation Safety Board. “It was a very quick, rapid impact,” he said.

An American Airlines jet carrying 60 passengers and four crew members collided Wednesday with an Army helicopter while coming in for a landing at Ronald Reagan National Airport near Washington, D.C. Here, we look at what happened and, more broadly, at aviation safety in the U.S.

The National Transportation Safety Board (NTSB) urged the public not to “speculate” about the cause of the deadly midair collision near Ronald Reagan Washington National Airport in a Thursday

Here's what you need to know about the history of plane crashes in Mississippi. Here's what the NTSB says about where, when, why flight safety failed.

ATLANTA, Ga. (Atlanta News First) - As the National Transportation Safety Board’s (NTSB) investigation into what caused the midair collision between an American Airlines jet and Army helicopter on Wednesday night ramps up, many are asking how the tragedy could have happened.

A military helicopter and passenger jet collided midair on Wednesday night near Reagan Washington National Airport, according to the Federal Aviation Administration. Here's what we know.

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.

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.”

The National Transportation Safety Board will be holding its first briefing into the investigation of the deadly American Airlines plane crash in Washington, DC. Click to watch.

NBC News is live with a special report as the National Transportation Safety Board holds another briefing on the D.C. plane crash.

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,