What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) Pilot was demonstrating steep approach from 6700 MSL. When throttle was added at about 100 feet AGL, there was no response. Autorotation was completed in a field just short of intended landing point. Main rotor severed tail. Engine inspection after accident revealed excessively rich mixture at idle.
As the FAA filed it
(-23) PILOT WAS DEMONSTRATING STEEP APPROACH FROM 6700 MSL. WHEN THROTTLE WAS ADDED AT ABOUT 100 FEET AGL, THERE WAS NO RESPONSE. AUTOROTATION WAS COMPLETED IN A FIELD JUST SHORT OF INTENDED LANDING POINT. MAIN ROTOR SEVERED TAIL. ENGINE INSPECTION AFTER ACCIDENT REVEALED EXCESSIVELY RICH MIXTURE AT IDLE.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.