Primary finding
Probable cause
The pilot improperly monitored the operating environment which resulted in a collision with a tree located in the middle of a field.
Investigator assessment
Analysis narrative
The pilot reported that he was applying insecticide to a soybean field when he heard a loud bang. Shortly thereafter, the airplane impacted terrain. The pilot, who momentarily lost consciousness, realized the loud bang was caused when the airplane impacted a tree located in the middle of the field. The airplane sustained substantial damage to the fuselage, wings, and engine mount. The pilot reported that there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.