What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) While receiving instruction, ATP rated student was conducting a touchdown autorotation. During the flare, student applied additional rear cyclic, causing the tail stinger to strike the ground. As the aircraft rebounded to a nose low attitude, the main rotor struck the tail boom, severing the tail rotor. The instructor recovered the aircraft, and landed without further incident.
As the FAA filed it
(-23) WHILE RECEIVING INSTRUCTION, ATP RATED STUDENT WAS CONDUCTING A TOUCHDOWN AUTOROTATION. DURING THE FLARE, STUDENT APPLIED ADDITIONAL REAR CYCLIC, CAUSING THE TAIL STINGER TO STRIKE THE GROUND. AS THE AIRCRAFT REBOUNDED TO A NOSE LOW ATTITUDE, THE MAIN ROTOR STRUCK THE TAIL BOOM, SEVERING THE TAIL ROTOR. THE INSTRUCTOR RECOVERED THE AIRCRAFT, AND LANDED WITHOUT FURTHER INCIDENT.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.