PSA Airlines announced plans to relocate its corporate headquarters, reports indicate. Wednesday night a flight was involved in a deadly midair crash with a military helicopter.

An American Airlines flight operated by PSA Airlines was involved in a midair collision with a military helicopter on Wednesday night near Washington, D.C.

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.

Heard of PSA? Envoy? SkyWest? Discover the route and planes flown by American Airlines’ regional subsidiaries.

“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.m. local time,” the Federal Aviation Administration (FAA) said in a statement.

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.

A flight crew from Charlotte was onboard a plane that collided with a military Black Hawk helicopter over the Potomac River by Washington, D.C., according to multiple media reports and at least one crew member’s family.. A total of 67 people died — 60 passengers, four crew members on the commercial plane and three people on the military chopper.

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.

Many established international airlines have posted messages of condolences following news of the American Airlines plane crash in Washington DC, US.

An Army Black Hawk helicopter collided with a regional jet near Ronald Reagan Washington National Airport on Wednesday evening, U.S. officials confirmed to ABC News.