The pilot's disregard of takeoff performance data and his failure to jettison the load. Contributing factors were high density altitude, exceeding the aircraft's maximum allowable gross weight, and the berm.

THE PILOT DID NOT MAINTAIN DIRECTION CONTROL OF THE AIRPLANE DURING THE LANDING ROLL AND TOOK INADEQUATE REMEDIAL ACTION. FACTORS CONTRIBUTING TO THE ACCIDENT INCLUDE TERRAIN AND THE PILOT'S LACK OF TOTAL EXPEREINCE.