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

An FAA statement said a PSA Airlines regional jet collided midair with a Sikorsky helicopter. Here’s what to know about the airline.

The plane went down in the Potomac River near Reagan National Airport. An American Airlines regional jet went down in the Potomac River near Washington, D.C.'s Ronald Reagan Washington National Airport after colliding with a U.S. Army Black Hawk helicopter on Wednesday night, with no survivors expected.

Southwest's CEO Bob Jordan said "our hearts go out" to people on the American Airlines flight involved in Wednesday night’s midair collision with a helicopter in the nation’s capital.

American Airlines CEO Robert Isom said that Flight 5342 was on a normal approach to Reagan National Airport and that “we don’t know why the military aircraft came into the path of the PSA aircraft,” one of the many questions the Fort Worth-based carrier is asking in the wake of the tragedy that took 67 lives.

The PSA flight 5342 was carrying 60 passengers and four crew members and three soldiers were aboard the helicopter at the time of the crash. >>PHOTOS: Plane crashes into helicopter while trying to land at Reagan Airport RELATED: Plane crashes into Black Hawk helicopter mid-air while trying to land at Reagan Airport “A PSA Airlines Bombardier CRJ700 regional jet collided in midair with a Sikorsky H-60 helicopter while on approach to Runway 33 at Reagan Washington National Airport around 9 p.