Aug 25, 2020
Accident
Substantial Pine Grove, OR
Injuries1 fatal
Phase of Flight-
ConditionsVMC
OperationFAR 133
Probable Cause
An in-flight breakup resulting from contact of the left rotor system with the right rotor system after an in-flight failure of a servo flap from a left rotor blade.
NTSB WPR20LA283