The flight attendants of a passenger jet that collided with an Army helicopter near Ronald Reagan National Airport in Washington, D.C. Wednesday were based out of Charlotte, an Association of Flight Attendants spokesperson confirmed to Axios.

CHARLOTTE, N.C. — The crew that was on board an American Airlines jet that collided with an Army Black Hawk helicopter near Washington, D.C. was based in Charlotte, the airline confirmed on Thursday. The airline is not identifying the crew members out of respect for the families, according to CEO Robert Isom.

The plane collided with a military helicopter over the Potomac, killing 67 people. The four-member plane crew was based in Charlotte.