What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) Airman was operating the aircraft in an out of ground effect hover at near maximum power when he inadvertently allowed the rotor RPM to bleed below the minimum required to maintain flight. Main rotor struck trees sustaining damage to the outboard ends of the rotor blades.
As the FAA filed it
(-23) AIRMAN WAS OPERATING THE AIRCRAFT IN AN OUT OF GROUND EFFECT HOVER AT NEAR MAXIMUM POWER WHEN HE INADVERTENTLY ALLOWED THE ROTOR RPM TO BLEED BELOW THE MINIMUM REQUIRED TO MAINTAIN FLIGHT. MAIN ROTOR STRUCK TREES SUSTAINING DAMAGE TO THE OUTBOARD ENDS OF THE ROTOR BLADES.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.