Sequence of Events
The aircraft was engaged in an aerial application flight when a complete loss of engine power occurred during a swath run. The pilot initiated a forced landing. The aircraft subsequently encountered soft terrain and flipped over, causing substantial damage.
Engine Anomalies
Before the power loss, the engine emitted a popping sound, and smoke was observed emanating from the area around cylinders #1 and #2.
Aircraft Information
The airframe had accumulated 1,794 total flight hours, with 829 hours since the last overhaul.
Investigation
The cause of the engine failure could not be determined, as the wreckage was disposed of before an engine teardown could be performed.