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 American Airlines’ subsidiary has ties that go back decades in Ohio, and just said it was moving its headquarters to Charlotte.

American Airlines CEO Robert Isom shared a letter to all employees sharing updates and resources following the deadly mid-air collision.

PSA Airlines, the carrier involved in the mid-air accident over Washington, ironically preserves the name of another airline whose involvement in two mid-air collisions contributed to as pairspace safety reforms including implementation of traffic collision-avoidance systems.

American Airlines CEO Robert Isom said the airline has activated its care team to assist in recovery efforts after one of its jets collided with a helicopter.

Emergency response officials from the District of Columbia say no survivors have been found after a Bombardier CRJ700 operated by PSA Airlines collided with a US Army helicopter over the Potomac River,

Business Insider reviewed official briefings, flight data, and air traffic control audio tapes to piece together what happened before tragedy struck.

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.

The search and rescue mission was transitioning to a recovery mission, and no survivors were expected, DC Fire and EMS Chief John Donnelly said.

A timeline of the tragic collision between a commercial plane and a Black Hawk helicopter over the Potomac River, with insights into the ongoing investigation.

The father of 28-year-old PSA Airlines co-pilot Sam Lilley, who was killed in the deadly collision near Ronald Reagan Washington

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.