What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
The L-39C aircraft departed runway 18 at Apple Valley Airport. During takeoff climb out, multiple witnesses reported hearing popping noises as well as seeing smoke and or flame coming from the jet engine's exhaust pipe. The aircraft was last seen rolling left prior to CRASHING170 feet south of the departure end of runway 18 and 240 feet west of runway centerline. The pilot and passenger were both killed. The initial impact point was 236 feet northeast of the main wreckage resting point. The debris path was 236 feet long and approximately 100 feet wide.
The passenger held a private pilot certificate (asel) with 377 reported hours.
As the FAA filed it
THE L-39C AIRCRAFT DEPARTED RUNWAY 18 AT APPLE VALLEY AIRPORT. DURING TAKEOFF CLIMB OUT, MULTIPLE WITNESSES REPORTED HEARING POPPING NOISES AS WELL AS SEEING SMOKE AND OR FLAME COMING FROM THE JET ENGINE'S EXHAUST PIPE. THE AIRCRAFT WAS LAST SEEN ROLLING LEFT PRIOR TO CRASHING170 FEET SOUTH OF THE DEPARTURE END OF RUNWAY 18 AND 240 FEET WEST OF RUNWAY CENTERLINE. THE PILOT AND PASSENGER WERE BOTH KILLED. THE INITIAL IMPACT POINT WAS 236 FEET NORTHEAST OF THE MAIN WRECKAGE RESTING POINT. THE DEBRIS PATH WAS 236 FEET LONG AND APPROXIMATELY 100 FEET WIDE.
THE PASSENGER HELD A PRIVATE PILOT CERTIFICATE (ASEL) WITH 377 REPORTED HOURS.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.