May 6, 1990
Accident
Destroyed ULYSSES, KS
Injuries1 fatal
Phase of Flight-
ConditionsVMC
OperationFAR 137
Probable Cause
THE PILOT FAILED TO MAINTAIN PROPER ROTOR RPM, WHILE MANEUVERING OVER A HIGH OBSTRUCTION (POWER LINE) AT THE END OF A SWATH RUN, WHICH RESULTED IN AN INADVERTENT DESCENT & COLLISION WITH THE TERRAIN. THE HIGH OBSTRUCTION WAS CONSIDERED TO BE A RELATED FACTOR.
NTSB MKC90DCQ02