What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Pilot reported he was performing part 137 spraying operations on multiple agiculture fields. While spraying a fields next to highway 98 in Calexico California there were large powerlines on the south and 1/4 west of a barberworth rd. flying a north south pattern, while turning and decending over large powerlines. The right skid struck a smaller powerline followed by the main rotor blade being hit. An engine vibration followed and pilot landed the helicopter in the field for inpsection, after the landing he found damaged to the main rotor blade.
As the FAA filed it
PILOT REPORTED HE WAS PERFORMING PART 137 SPRAYING OPERATIONS ON MULTIPLE AGICULTURE FIELDS. WHILE SPRAYING A FIELDS NEXT TO HIGHWAY 98 IN CALEXICO CALIFORNIA THERE WERE LARGE POWERLINES ON THE SOUTH AND 1/4 WEST OF A BARBERWORTH RD. FLYING A NORTH SOUTH PATTERN, WHILE TURNING AND DECENDING OVER LARGE POWERLINES.THE RIGHT SKID STRUCK A SMALLER POWERLINE FOLLOWED BY THE MAIN ROTOR BLADE BEING HIT. AN ENGINE VIBRATION FOLLOWED AND PILOT LANDED THE HELICOPTER IN THE FIELD FOR INPSECTION, AFTER THE LANDING HE FOUND DAMAGED TO THE MAIN ROTOR BLADE.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.