https://data.ntsb.gov/carol-repgen/api/ ... 104670/pdf
The National Transportation Safety Board determines the probable cause(s) of this accident to be:
The pilot’s improper aerobatic maneuver leading to an airspeed that exceeded the airplane’s design limits, which resulted in rudder flutter and an in-flight breakup.



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10,000 fpm descent.... keep those airport security cameras rolling, you never know when an RV is going to do a fly bye maneuver.
