Colorado Springs, CO, USA
N18338
PIPER PA18-150
According to the pilot, he was attempting to depart from an unimproved private airstrip. As the airplane rotated for lift-off at 35 to 40 miles per hour, it was "hit by a dust devil." The airplane rotated ninety degrees to the right and the application of full opposite control inputs failed to re-establish directional control. The airplane impacted terrain, causing the left landing gear to collapse, followed by the collapse of the right landing gear and resulting in multiple propeller ground strikes. The airplane sustained a bent right wing spar. The pilot reported the weather conditions at the time of the accident as a variable 7- to 10-knot wind, gusting to 12 to 15 knots. An hourly weather observation taken at the time of the accident 39 miles west of the accident site showed the wind to be 170 at four knots.
According to the pilot, he was attempting to depart from an unimproved private airstrip. As the airplane rotated for lift-off at 35 to 40 miles per hour, it was "hit by a dust devil." The airplane rotated ninety degrees to the right and the application of full opposite control inputs failed to re-establish directional control. The airplane impacted terrain causing the left landing gear to collapse, followed by the collapse of the right landing gear, which resulted in multiple propeller ground strikes. The airplane sustained a bent right wing spar. The pilot reported the weather conditions at the time of the accident as a variable seven to ten knot wind, gusting to 12 to 15 knots. An hourly weather observation taken at the time of the accident 39 miles west of the accident site showed the wind to be 170 at four knots.
Loss of directional control due to an encounter with a weather phenomena at rotation.
Source: NTSB Aviation Accident Database
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