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.