Incident Overview
An agricultural airplane sustained substantial damage during an off-airport landing that occurred immediately after takeoff. The incident took place when the engine reportedly experienced a partial loss of power, dropping by approximately 200 rpm. The aircraft subsequently came to rest in a cornfield about half a mile from the departure runway.
Engine Inspection
Following the accident, an inspection of the engine was conducted. The examination revealed that the number 1 and number 3 spark plugs were contaminated with lead deposits. Under a pressure of 120 psi, these spark plugs failed to fire. However, after being cleaned, the spark plugs were able to fire normally.
Damage Assessment
The aircraft was substantially damaged as a result of the off-airport landing. No other details regarding the extent of damage or any other consequences were provided in the source material.