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N74347 accident description

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Crash location 40.619445°N, 111.992777°W
Nearest city Taylorsville, UT
40.667725°N, 111.938826°W
4.4 miles away
Tail number N74347
Accident date 19 Mar 2007
Aircraft type Robinson R22 Beta 2
Additional details: None

NTSB Factual Report

The certified flight instructor was providing instruction to the private pilot, who was training for a commercial rating. While practicing a 180-degree autorotation, a downdraft was encountered approximately 200 feet above ground level (agl). The flight instructor stated, "I said that I had [the] controls and proceeded to bring back the power at about 150 feet agl. Everything was good; rotor and engine rpm were in the green. I pulled collective up as I've done in previous situations, but this time it was different. I pulled collective, but it was almost as if the helicopter couldn't fly out of it." The helicopter subsequently landed hard, which resulted in the tail boom being severed and the aircraft coming to rest on its right side. There was no post-accident fire, and no anomalies were reported with the helicopter.

NTSB Probable Cause

The flight instructor's failure to maintain aircraft control during the flare/touchdown while practicing an autorotation which resulted in a hard landing. A factor which contributed to the accident was the downdraft wind condition.

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