What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) Pilot, CFI, was demonstrating a normal autorotation from 800 feet AGL to the student pilot when during final 40 feet of the maneuver the closure rate became excessive. Upon contact with the ground, the right main landing gear separated causing the helicopter to roll on its left side destroying the aircraft and injuring the pilot.
As the FAA filed it
(-23) PILOT, CFI, WAS DEMONSTRATING A NORMAL AUTOROTATION FROM 800 FEET AGL TO THE STUDENT PILOT WHEN DURING FINAL 40 FEET OF THE MANEUVER THE CLOSURE RATE BECAME EXCESSIVE. UPON CONTACT WITH THE GROUND, THE RIGHT MAIN LANDING GEAR SEPARATED CAUSING THE HELICOPTER TO ROLL ON ITS LEFT SIDE DESTROYING THE AIRCRAFT AND INJURING THE PILOT.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.