Accident Details
The pilot of a helicopter reported encountering the onset of settling with power while approaching a lake to fill an external bucket attached to a 150-foot long-line. In response, he lowered the collective and initiated a 180-degree turn. During the turn, the bucket entered the water, and the long-line pulled the helicopter from the right side as the pilot maneuvered.
Sequence of Events
Subsequently, the helicopter collided with terrain adjacent to the shoreline of the lake, resulting in substantial damage. The operator reported that the estimated density altitude at the time of the accident was 10,221 feet, and the winds were light and variable.
Post-Accident Examination
Examination of the helicopter revealed no mechanical anomalies with the engine or airframe.