NTSB

The pilot’s exceedance of the airplane’s critical angle of attack while attempting to avoid a deer during landing, resulting in an aerodynamic stall.

About 15 minutes into the flight, the engine lost power. He established best glide airspeed and turned the airplane towards land.

The pilot’s inadequate preflight performance planning and his decision not to utilize all available runway during high density altitude operations which led to an inflight loss of control and subsequent collision with terrain.

The pilot’s failure to maintain control of the airplane during the attempted engine start.

The loss of engine power due to fuel starvation.

The flight instructor’s failure to maintain control of the airplane following an unannounced transfer of flight control during takeoff.

The mechanic’s incorrect rigging of the aileron control cables, which resulted in a reversal of aileron control inputs applied by the pilot during the takeoff. Also causal was the mechanic’s inadequate post-maintenance inspection and the pilot’s inadequate preflight inspection and before takeoff check, which failed to detect the misrigging.

The left seated flight instructor’s improper manipulation of the landing gear position selection lever to the up position while still on the landing roll, which ultimately resulted in a landing gear collapse during a subsequent landing.

The pilot’s failure to ensure that the engine oil cap was installed before takeoff, which resulted in the oil obscuring the pilot’s view through the windshield and necessitated a forced landing on unsuitable terrain. Contributing to the accident were the pilot’s complacency and self-induced pressure to complete the flight.