The pilot's failure to maintain control of the helicopter, and adequate clearance, which resulted in a collision with a hangar.
— NTSB Determination
According to the pilot, after landing the helicopter in front of a hangar, the helicopter began to rise and tilt. He increased the collective and "over corrected" with the cyclic, which resulted in the main rotor impacting the hangar. The helicopter settled onto the concrete apron and rolled over resulting in substantial damage to the fuselage and rotor blades. The pilot reported no preimpact mechanical malfunctions or failures with the helicopter that would have precluded normal operation.
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