Primary finding
Probable cause
The pilot's failure to maintain control of the helicopter during a hover which, resulted in a collision with a hangar.
Investigator assessment
Analysis narrative
The helicopter pilot reported that, while hovering in front of a hangar he erroneously increased collective pitch, panicked, and lost control of the helicopter. The helicopter subsequently impacted the top of a hanger and rolled over. The helicopter sustained substantial damage to the main rotor and tail boom. The pilot reported that there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.