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Aviation Accident

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NTSB Identification: GAA18CA512
14 CFR Part 91: General Aviation
Accident occurred Saturday, August 18, 2018 in Battle Mountain, NV
Aircraft: Bell 206, registration: N8052G
Injuries: 3 Uninjured.

NTSB investigators used data provided by various entities, including, but not limited to, the Federal Aviation Administration and/or the operator and did not travel in support of this investigation to prepare this aircraft accident report.

The helicopter pilot reported that while climbing out of a canyon at 30 knots indicated airspeed, about 50 ft above the ground, he felt a "hard vibration" in the cyclic and collective controls. He then saw that the airspeed gauge was reading zero knots and he felt the helicopter was being pushed down. The torque indicator rose to 120% without any cyclic and collective control input. He applied right cyclic, lowered the collective, applied right pedal to counter the torque, and turned the helicopter downslope and into the wind. He applied forward cyclic to better match the downslope of the terrain and raised collective, but the helicopter impacted terrain. The skids impacted the ground first followed by the main rotor blades. The helicopter rotated 180ยบ to the right before coming to rest downhill, on its right side. Shortly after, a post impact fire ensued.