What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23)Pilot said extreme vibration caused him to lose control of his helicopter, resulting in hard landing. The heli hit t/r first then slid approx 100 ft. then rolled onto its right side. There were no indications of rotor failure prior to impact. The left magneto "p" lead was found hanging loose. There were no indications that it had been knocked loose during the impact. Pilot stated that he had no indications of power loss and control continuity was established after the impact.
As the FAA filed it
(-23)PILOT SAID EXTREME VIBRATION CAUSED HIM TO LOSE CONTROL OF HIS HELICOPTER, RESULTING IN HARD LANDING. THE HELI HIT T/R FIRST THEN SLID APPROX 100 FT. THEN ROLLED ONTO ITS RIGHT SIDE. THERE WERE NO INDICATIONS OF ROTOR FAILURE PRIOR TO IMPACT. THE LEFT MAGNETO "P" LEAD WAS FOUND HANGING LOOSE. THERE WERE NO INDICATIONS THAT IT HAD BEEN KNOCKED LOOSE DURING THE IMPACT. PILOT STATED THAT HE HAD NO INDICATIONS OF POWER LOSS AND CONTROL CONTINUITY WAS ESTABLISHED AFTER THE IMPACT.
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 N5304V · 1
Matched to the same aircraft by N-number and date.