What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Pilot departed richland for aerial photography project with numerous locations along the columbia river. He intended on landing at the dalles airport after the project was complete. Due to a cloud layer causing inconsistent lighting for the photo project, the pilot diverted from the planned path and "held" until the lighting improved. Finished survey project about 15 miles east of the dalles airport. Around 9 miles east of the dalles pilot switched from seattle center to CTAF. While decending through 2,800' engine started experiencing partial power loss. Fuel gauges indicated 1/4 tank. Switched back to center and declared an emergency. Pilot determined that he would not be able to make it to the dalles airport. Planned power off approach to hillside. Touched down successfully but before pilot could arrest the forward roll of the airplane it encountered a ravine. The airplane rolled over its nose onto its back. No injuries.
As the FAA filed it
PILOT DEPARTED RICHLAND FOR AERIAL PHOTOGRAPHY PROJECT WITH NUMEROUS LOCATIONS ALONG THE COLUMBIA RIVER. HE INTENDED ON LANDING AT THE DALLES AIRPORT AFTER THE PROJECT WAS COMPLETE. DUE TO A CLOUD LAYER CAUSING INCONSISTENT LIGHTING FOR THE PHOTO PROJECT, THE PILOT DIVERTED FROM THE PLANNED PATH AND "HELD" UNTIL THE LIGHTING IMPROVED. FINISHED SURVEY PROJECT ABOUT 15 MILES EAST OF THE DALLES AIRPORT. AROUND 9 MILES EAST OF THE DALLES PILOT SWITCHED FROM SEATTLE CENTER TO CTAF. WHILE DECENDING THROUGH 2,800' ENGINE STARTED EXPERIENCING PARTIAL POWER LOSS. FUEL GAUGES INDICATED 1/4 TANK. SWITCHED BACK TO CENTER AND DECLARED AN EMERGENCY. PILOT DETERMINED THAT HE WOULD NOT BE ABLE TO MAKE IT TO THE DALLES AIRPORT. PLANNED POWER OFF APPROACH TO HILLSIDE. TOUCHED DOWN SUCCESSFULLY BUT BEFORE PILOT COULD ARREST THE FORWARD ROLL OF THE AIRPLANE IT ENCOUNTERED A RAVINE. THE AIRPLANE ROLLED OVER ITS NOSE ONTO ITS BACK. NO INJURIES.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.