SEA06CA165
SEA06CA165

The pilot, who was approaching an area where he was going to place a long-line load onto the terrain, inadvertently allowed the helicopter to enter into a vortex ring state (settling with power) condition, resulting in his inability to keep the helicopter from descending at a rate that resulted in it hitting the ground and bouncing back into the air. At the point in time when it contacted the ground with its skids, the helicopter's tail rotor impacted a portion of the rigging for the load that it had been hauling, which resulted in substantial damage to the tail rotor and the tail rotor drive shaft.

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