What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) The aircraft engine had previous problems with fouling the spark plugs. The day prior to the accident, the spark plugs were removed and cleaned due to a rough running engine. On the day of the accident, the pilot was observed by several qualified witnesses to have trouble starting the engine. After engine start the engine was heard by the same witnesses, running rough. They also heard the run up with the engine sputtering and backfiring. The aircraft was observed on takeoff using an extraordinary amount of runway and the engine was not producing full power, according to the same witnesses. The aircraft was then observed to make a left turn, stall and spin. The resulting impact resulted in a fire that consumed the aircraft and four fatalities.
As the FAA filed it
(-23) THE AIRCRAFT ENGINE HAD PREVIOUS PROBLEMS WITH FOULING THE SPARK PLUGS. THE DAY PRIOR TO THE ACCIDENT, THE SPARK PLUGS WERE REMOVED AND CLEANED DUE TO A ROUGH RUNNING ENGINE. ON THE DAY OF THE ACCIDENT, THE PILOT WAS OBSERVED BY SEVERAL QUALIFIED WITNESSES TO HAVE TROUBLE STARTING THE ENGINE. AFTER ENGINE START THE ENGINE WAS HEARD BY THE SAME WITNESSES, RUNNING ROUGH. THEY ALSO HEARD THE RUN UP WITH THE ENGINE SPUTTERING AND BACKFIRING. THE AIRCRAFT WAS OBSERVED ON TAKEOFF USING AN EXTRAORDINARY AMOUNT OF RUNWAY AND THE ENGINE WAS NOT PRODUCING FULL POWER, ACCORDING TO THE SAME WITNESSES. THE AIRCRAFT WAS THEN OBSERVED TO MAKE A LEFT TURN, STALL AND SPIN. THE RESULTING IMPACT RESULTED IN A FIRE THAT CONSUMED THE AIRCRAFT AND FOUR FATALITIES.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.
Other reports on N5157T · 3
Matched to the same aircraft by N-number and date.