The pilot's selection of unsuitable terrain for landing, which resulted in an encounter with soft snow, and subsequent nose over during the landing roll. A factor contributing to the accident was the soft, snow-covered terrain.

WAS THE IN-FLIGHT COLLISION OF THE AIRPLANE WITH AN OBJECT DUE TO THE PILOT-IN-COMMAND'S LACK OF AN ADEQUATE VISUAL LOOKOUT. CONTRIBUTING TO THE ACCIDENT WAS THE ROUGH, UNEVEN AND NARROW CONDITION OF THE AIRSTRIP.