After one of a group of five parachutists decided not to jump from the helicopter, he failed to deactivate a safety device designed to open his reserve parachute at a preset altitude.
Bell 206 Helicopter Non-Fatal Cushing, OK February 3, 1996
After one of a group of five parachutists decided not to jump from the helicopter, he failed to deactivate a safety device designed to open his reserve parachute at a preset altitude.