Accident Overview
A helicopter sustained substantial damage during a hard landing after the engine failed to respond to throttle application. The accident occurred while the new owner's son was practicing power recovery autorotations as part of helicopter transition training.
Training and Circumstances
The training was being conducted by the previous owner of the helicopter, who held no instructor certificate. The student, the new owner's son, had been performing power recovery autorotations when the engine did not respond to throttle input. A full autorotative landing was attempted but was unsuccessful, resulting in a hard landing.
Post-Accident Inspection
Following the accident, a post-accident inspection was performed. No mechanical malfunction was discovered during the inspection.