An L39 jet crashed at Apple Valley Airport in San Bernardino County, California, on December 6.
Authorities said the plane caught fire after the crash.
Two people were killed in the crash. One of them has been tentatively identified as Michael (Mike) Mangold, 60, who was an aerobatics champion for Red Bull.
The airport was shut down following the accident.
The FAA and the NTSB will investigate.
A UH-60L Blackhawk helicopter crashed in Fort Hood, Texas, on November 23.
Authorities said the aircraft, the 7th Battalion, went down while it was on a routine training mission.
There were four crew members aboard at the time; all of them were killed. They were identified as Sgt. 1st Class Toby A. Childers, 40, of Kansas; Chief Warrant Officer 3 Stephen B. Cooley, 40, of Florida; Sgt.1st Class Jason M. Smith, 35, of Louisiana; and Chief Warrant Officer 2 Michael F. Tharp, 40, of Texas. All of them were assigned to 2nd Battalion, 291st Aviation Regiment, First Army Division West.
The cause of crash is being investigated.