What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
The student pilot was on a practice steep approach to a pinnacle maneuver when the aircraft had a low rotor speed indication. The flight instructor took the collective control and the student retained the cyclic control. The aircraft hit hard on the left landing skid causing a rollover to the left. The aircraft sustained severe damage.
As the FAA filed it
THE STUDENT PILOT WAS ON A PRACTICE STEEP APPROACH TO A PINNACLE MANEUVER WHEN THE AIRCRAFT HAD A LOW ROTOR SPEED INDICATION. THE FLIGHT INSTRUCTOR TOOK THE COLLECTIVE CONTROL AND THE STUDENT RETAINED THE CYCLIC CONTROL. THE AIRCRAFT HIT HARD ON THE LEFT LANDING SKID CAUSING A ROLLOVER TO THE LEFT. THE AIRCRAFT SUSTAINED SEVERE DAMAGE.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.