Jul 25, 1992
Accident
Substantial KNOXVILLE, TN
Injuries1 serious
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
THE PILOT-IN-COMMAND'S FAILURE TO PROPERLY INSTRUCT THE PASSENGER ON AIRCRAFT CONTROLS PRIOR TO TAKEOFF, RESULTING IN THE PASSENGER INADVERTENTLY RELEASING THE TOW CABLE AS THE GLIDER WAS BEING TOWED THROUGH 150 FEET.
NTSB MIA92LA153