Last month, an American Airlines passenger jet and an Army helicopter collided as the plane prepared to land at Washington D.C.’s Ronald Reagan National Airport.

SAVANNAH, Ga. — Sam Lilley, the airline pilot killed in a midair collision with a U.S. Army helicopter near Washington on Jan. 29, will be remembered in a public memorial service at 11 a.m. Saturday at the Georgia Southern University Armstrong campus’ Fine Arts Hall.

Investigators say the crew of the helicopter that collided midair with an American Airlines jet near Washington D

The crew of the helicopter that collided midair with an American Airlines jet near Washington D.C.‘s Ronald Reagan National Airport might not have heard instructions from the air traffic controller to pass behind the plane,

LIVE: Watch the NTSB press conference in the video player above. The collision was the deadliest plane crash in the U.S. since 2001, when a jet slammed into a New York City neighborhood just after takeoff,