WASHINGTON, Aug. 30 (Xinhua) -- A civilian aircraft on Thursday crashed in the U.S. Eglin Air Force Base in Florida, killing four on board, according to the U.S. Air Force.

The Beechcraft B60 aircraft crashed Thursday morning in a remote area of the base, several miles from the base's main runway, spokeswoman of the base Jasmine Porterfield said.

The wreckage was discovered in a densely wooded area.

The Federal Aviation Administration said the plane crashed while approaching Destin Executive Airport, located across the bay from the air base.

Authorities said probe is under way and has yet to identify the victims, who departed from the central state of Ohio.