Accident Details
The aircraft, which had been converted from a tricycle landing gear configuration to a tail wheel configuration, experienced a ground loop during a wheel landing. The pilot reported that as the aircraft touched down, it veered to the left, then reversed direction to the right, resulting in a ground loop. The main landing gear collapsed, and the left wing contacted the runway surface.
Pilot Observations
The pilot stated that during the previous landing, the wind sock was "dead calm." However, on the accident landing, the wind sock indicated a left crosswind. The pilot perceived a gust, though the wind had been reported as calm at the time of landing.
Weather Information
At the nearest weather reporting point, located 11 nautical miles from the accident site, the surface wind was reported as 3 knots. No other weather observations were provided in the source.