NTSB

The pilot’s failure to maintain lateral control during the landing flare, which resulted in the left wing striking a tree.

The student pilot’s improper decision to release the seat latch to adjust the seat position during taxi, which resulted in his inability to reach the rudder or brake pedals and a subsequent loss of directional control and impact with a ditch and fence.

The pilot’s failure to maintain pitch control while conducting a touch-and-go landing on an unimproved, snow-covered airstrip, which resulted in a nose-over.

The noncertificated pilot’s exceedance of the aircraft’s critical angle of attack, which resulted in an aerodynamic stall.

The pilot’s loss of control due to spatial disorientation.

The pilot’s failure to maintain clearance from power lines while making an evasive maneuver to avoid birds.

The incapacitating effects of an acute myocardial infarction (heart attack), which resulted in the pilot’s loss of airplane control and impact with terrain.

The pilot’s fuel mismanagement and his improper use and placement of the fuel selector, contrary to operating procedures, which resulted in a partial loss of engine power due to fuel starvation.

The student pilot’s failure to maintain directional control during a rejected takeoff, which resulted in a runway excursion and impact with a ditch.