Accident Summary
The incident took place while the aircraft was performing a swath run for aerial application. During this run, the engine lost all power. The pilot subsequently conducted a forced landing in a field that was covered with high vegetation, which rendered the field unsuitable for a forced landing.
Engine Examination
After the accident, the engine was examined. The inspection provided evidence that both the left magneto drive gear and the crankshaft idler gear had failed. The examination specifically identified these components as having failed.
Aircraft Records
An examination of the aircraft's records revealed that the aircraft had accumulated over 247 hours of operation since its last 100-hour inspection. Additionally, the records indicated that an Airworthiness Directive applicable to the magnetos had been complied with.