What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
privacy data omitted Was conducting aerial survey of an off road race. While following a race car westbound at approximately 300 feet and 40KTS in a canyon with rising terrain, the pilot slowed the aircraft and turned to north following the course. The aircraft decended and experienced rotor RPM decay. At full throttle, power was not availbable to maintain altitude. The pilot landed in the canyon and reduced the throttle to ground idle. When the front and rear passengers exited, the aircraft rocked rearward. The tail rotor and main rotor tips struck boulders. No injuries were reported and the aircraft sustained minor damage.
As the FAA filed it
^PRIVACY DATA OMITTED^ WAS CONDUCTING AERIAL SURVEY OF AN OFF ROAD RACE. WHILE FOLLOWING A RACE CAR WESTBOUND AT APPROXIMATELY 300 FEET AND 40KTS IN A CANYON WITH RISING TERRAIN, THE PILOT SLOWED THE AIRCRAFT AND TURNED TO NORTH FOLLOWING THE COURSE. THE AIRCRAFT DECENDED AND EXPERIENCED ROTOR RPM DECAY. AT FULL THROTTLE, POWER WAS NOT AVAILBABLE TO MAINTAIN ALTITUDE. THE PILOT LANDED IN THE CANYON AND REDUCED THE THROTTLE TO GROUND IDLE. WHEN THE FRONT AND REAR PASSENGERS EXITED, THE AIRCRAFT ROCKED REARWARD. THE TAIL ROTOR AND MAIN ROTOR TIPS STRUCK BOULDERS. NO INJURIES WERE REPORTED AND THE AIRCRAFT SUSTAINED MINOR DAMAGE.