AUSTIN, TX, USA
N9067B
ROBINSON R-22
AFTER LNDG THE PLT EXITED THE ACFT TO ASSIST DEPLANING OF THE PAX. THE ENGINE WAS STILL RUNNING. THE PLT HEARD A SURGE OF ENGINE POWER FOLLOWED BY THE ACFT ROTATING AND COLLIDING WITH A PARKED CAR. EXAMINATION OF THE ACFT DISCLOSED THAT THE COLLECTIVE BALANCE SPRING FAILED TO HOLD THE COLLECTIVE DOWN.
Source: NTSB Aviation Accident Database
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