Sioux Falls, SD, USA
N9780G
CESSNA 180H
Same as Factual Information
The pilot reported that he received information Papa prior to landing, information Papa was wind 240 degrees at 20 knots, and he was landing on runway 33. He reported that it "occurred" to him that it was a 20 knot direct crosswind. The pilot reported that while landing in crosswind conditions, he was "holding extreme" left aileron to compensate for the crosswind. He reported that as the airplane touched down, a gust lifted the left wing, and he was "unable to keep it down" with aileron control inputs. Subsequently the right wing impacted the runway, and the airplane ground looped. The pilot reported that there were no pre-impact mechanical failures or malfunctions with the airframe or engine that would have precluded normal operation. The airplane sustained substantial damage to the right aileron. According to the manufacturer, the accident airplane's Owner's Manual does not specify a demonstrated maximum crosswind component, however a similar make and model airplane's Pilot Operating Handbook specifies a maximum demonstrated crosswind component of 12 knots.
The pilot's decision to land with a 20 knot direct cross wind, which resulted in a loss of directional control and the right wing impacting terrain and a subsequent ground loop.
Source: NTSB Aviation Accident Database
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