What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) Pilot was cruising about 600' when he felt and heard a loud "bang" which was likely the left side tailboom brace breaking at the cluster fitting, which resulted in a subsequent forced landing. Pilot had no pedal control initiated autorotation aircraft came to rest upright in his field, helicopter had substantial damage. Upon iic arrival noticed that the tail rotor driveshaft was cut in half and there were numerous score marks on the tailbooms first bulkhead.
As the FAA filed it
(-23) PILOT WAS CRUISING ABOUT 600' WHEN HE FELT AND HEARD A LOUD "BANG" WHICH WAS LIKELY THE LEFT SIDE TAILBOOM BRACE BREAKING AT THE CLUSTER FITTING, WHICH RESULTED IN A SUBSEQUENT FORCED LANDING. PILOT HAD NO PEDAL CONTROL INITIATED AUTOROTATION AIRCRAFT CAME TO REST UPRIGHT IN HIS FIELD, HELICOPTER HAD SUBSTANTIAL DAMAGE. UPON IIC ARRIVAL NOTICED THAT THE TAIL ROTOR DRIVESHAFT WAS CUT IN HALF AND THERE WERE NUMEROUS SCORE MARKS ON THE TAILBOOMS FIRST BULKHEAD.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.
Other reports on N9471F · 2
Matched to the same aircraft by N-number and date.