The pilot’s improper monitoring and failure to maintain airspeed during a critical phase of flight, which resulted in an exceedance of the airplane’s critical angle of attack, an aerodynamic stall, and subsequent impact with terrain.

The pilot's excessive use of brakes during the landing roll. A factor associated with the accident was soft terrain.

THE PILOT'S SELECTION OF AN UNSUITABLE LANDING SITE. A FACTOR ASSOCIATED WITH THE ACCIDENT IS THE ROUGH AND UNEVEN SANDBAR.