Primary finding
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 investigation record
Burkhart grob G103· N2135R
Primary finding
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.
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