Primary finding
Probable cause
The pilot's failure to maintain adequate clearance from a fence while hovering.
Investigator assessment
Analysis narrative
The pilot reported that he was hovering low to the ground, near a fence line, inspecting water and grass on his property. The helicopter drifted during the hover and right skid struck the fence. The helicopter rolled to the right and impacted the terrain, resulting in substantial damage to main rotor blades, main rotor drive system, windshield, and door post.