BATTLE MOUNTAIN, NV, USA
N2UJ
Christen Industries A-1
The pilot was performing pest control for the Department of Agriculture. He was over rolling terrain with winds at 5 knots gusting to 10 knots. After observing a coyote in a gully he set up a racetrack pattern. While still in a 10-degree bank prior to completion of the turn, the pilot stated he encountered a dust devil. The wing suddenly dropped and contacted the ground before he could take corrective action. The aircraft slid sideways and separated the right main landing gear before settling on its nose.
On February, 19, 1999, about 0900 hours Pacific standard time, a Christen A-1, N2UJ, sustained substantial damage when it collided with terrain 20 miles northwest of Battle Mountain, Nevada. The commercial pilot/owner and one observer were not injured. The public-use aircraft was operated under 14 CFR Part 91 on contract to the United States Department of Agriculture for pest control. The aircraft departed Battle Mountain about 0700. Visual meteorological conditions prevailed and no flight plan was filed. The pilot stated that he was contracted by the Department of Agriculture to eradicate coyotes. While patrolling an area of rolling terrain, he sighted a coyote in a gully. He established a racetrack pattern and while rolling out of a left turn, still in a 10-degree bank, he encountered a turbulent dust devil. The wing suddenly dropped and he was unable to recover prior to the wing tip contacting the ground. As the aircraft settled, it slid sideways and tore off the right main landing gear before coming to rest on its nose. The pilot estimated the winds were from the northwest at 5 knots gusting to 10 knots and the elevation was 4,800 feet.
Failure of the pilot to maintain clearance from terrain. A factor was the dust devil encountered by the airplane.
Source: NTSB Aviation Accident Database
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