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Narrative:While on pipeline patrol, the helicopter, with the pilot and two passengers aboard, was hovering about 100 to 150 feet above ground level with a quartering tailwind. As the pilot turned the helicopter to the right, the helicopter started to spin, as reported by the pilot and several witnesses. He applied full left pedal and left forward cyclic, and slightly reduced power to stop the rotation. The pilot added that he sensed the loss of tail rotor effectiveness (LTE) and continued with the control inputs to fly out of the LTE. The pilot was unable to regain control of the helicopter before it impacted the ground. The pilot reported no preimpact mechanical malfunctions or failures with the helicopter that would have precluded normal operation. Based on the flight conditions at the time, the accident sequence is consistent with the helicopter encountering a LTE event.
Bell 206B JetRanger II
|Owner/operator:||Hawkeye Aviation (Rgd. Private)|
|C/n / msn:|| 831|
|Fatalities:||Fatalities: 0 / Occupants: 3|
|Airplane damage:|| Substantial|
|Location:||NW of Kansas state highways K-4 and K-16 junction, Valley Falls, KS -
United States of America
|Phase:|| Manoeuvring (airshow, firefighting, ag.ops.)|
|Investigating agency: ||National Transport Safety Bureau (NTSB) - United States of America |
||ASN Update Bot
||Updated [Time, Damage, Category, Investigating agency]|