May 29, 2018
Accident
Substantial Wikieup, AZ
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 133
Probable Cause
A vibration of the helicopter for reasons that could not be determined based on the available information, which resulted in a forced landing and the main rotor contacting the tailboom.
NTSB WPR18LA152