What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
During the take-off roll the pilot attempted to adjusted his seat forward one engagement hole and when he pulled the adjustment handle the seat move to the aft most position coming to rest against the seat stop. The placement of the seat caused loss of control and the aircraft exited the runway to the left and travelled down an embankment. The aircraft stuck multiple rocks the last of which caused the aircraft to flip tail over nose and came to rest partially in a tree.
As the FAA filed it
DURING THE TAKE-OFF ROLL THE PILOT ATTEMPTED TO ADJUSTED HIS SEAT FORWARD ONE ENGAGEMENT HOLE AND WHEN HE PULLED THE ADJUSTMENT HANDLE THE SEAT MOVE TO THE AFT MOST POSITION COMING TO REST AGAINST THE SEAT STOP. THE PLACEMENT OF THE SEAT CAUSED LOSS OF CONTROL AND THE AIRCRAFT EXITED THE RUNWAY TO THE LEFT AND TRAVELLED DOWN AN EMBANKMENT. THE AIRCRAFT STUCK MULTIPLE ROCKS THE LAST OF WHICH CAUSED THE AIRCRAFT TO FLIP TAIL OVER NOSE AND CAME TO REST PARTIALLY IN A TREE.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.