Primary finding
Probable cause
The pilot's failure to maintain directional during landing on a wet grass runway.
Investigator assessment
Analysis narrative
The pilot reported that after the completion of an aerial application flight, during the landing roll on a wet grass runway, the airplane slid off the left side of the runway, where the left wing subsequently impacted corn stalks, which "further drug the aircraft into the corn and ditch." The fuselage, wings, and empennage sustained substantial damage. The pilot reported that there were no preimpact mechanical malfunctions or failures with the airplane that would have precluded normal operation.