NTSB

The pilot’s failure to extend the landing gear.

The pilot’s failure to obtain and maintain an adequate airspeed that resulted in a stall/mush.

The pilot’s inadequate compensation for a gusting crosswind and his failure to maintain directional control.

The pilot’s inadequate preflight planning due to his decision to takeoff downwind, and his subsequent failure to maintain adequate clearance from the power line.

The pilots failure to maintain directional control of the airplane during takeoff.

The pilot’s failure to maintain sufficient altitude/clearance from terrain while maneuvering, resulting in an a collision with a glacier.

The student pilot’s failure to maintain a climb during a go-around resulting in collision with an embankment.

The flight crew’s failure to comply with the published emergency procedures following a loss of engine power on the right engine. The failure of a magneto in the right engine was a contributing factor.

The student pilot’s failure to maintain directional control of the airplane during the landing roll.