What happened
The accident occurred at a location described as a sandy, rutted beach situated approximately 47 nautical miles southwest of Dillingham, Alaska. The aircraft was attempting to take off from this unimproved surface when it nosed over. The primary mechanical failure involved the landing gear digging into the soft sand, which caused the nose of the aircraft to collapse.
The investigation
Investigation of the site confirmed the terrain was a sandy beach with visible ruts. The weather conditions at the time were Visual Meteorological Conditions (VMC). However, the wind was gusting up to 40 mph. The pilot did not report any mechanical problems with the aircraft prior to the incident but noted the presence of a strong crosswind.
Findings
The accident sequence was driven by the interaction between the aircraft's landing gear and the soft, uneven terrain of the beach runway. The gusting winds likely contributed to the difficulty in maintaining directional control during the takeoff roll on such a surface.