What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) privacy data omitted was giving flight instruction to privacy data omitted for sfar 73 review. Whiles privacy data omitted was performing a 180 degree auto-rotation, privacy data omitted noticed that the rotor RPM was low during the flare and immediately got on the controls but was unable to correct the problem before the main rotor blade contacted the tailboom and severed it from the aircraft. The aircraft landed on the runway, on the skids, and slid approx. 400 feet spinning numerous times before coming to rest at the edge of the runway.
As the FAA filed it
(-23) ^PRIVACY DATA OMITTED^ WAS GIVING FLIGHT INSTRUCTION TO ^PRIVACY DATA OMITTED^ FOR SFAR 73 REVIEW. WHILES ^PRIVACY DATA OMITTED^ WAS PERFORMING A 180 DEGREE AUTO-ROTATION, ^PRIVACY DATA OMITTED^ NOTICED THAT THE ROTOR RPM WAS LOW DURING THE FLARE AND IMMEDIATELY GOT ON THE CONTROLS BUT WAS UNABLE TO CORRECT THE PROBLEM BEFORE THE MAIN ROTOR BLADE CONTACTED THE TAILBOOM AND SEVERED IT FROM THE AIRCRAFT. THE AIRCRAFT LANDED ON THE RUNWAY, ON THE SKIDS, AND SLID APPROX. 400 FEET SPINNING NUMEROUS TIMES BEFORE COMING TO REST AT THE EDGE OF THE RUNWAY.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.