On July 6, 1999, a Cessna 177RG (registration N1937Q) was involved in an aviation accident near Weldon Springs, MO. Investigators recorded the probable cause as: the loss of engine oil for undetermined reasons. A factor was the trees. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
A pilot reported a loss of oil pressure followed by engine failure, executing a forced landing in a field. The aircraft struck trees during the landing roll. Post-accident examination found oil in the engine compartment and fuselage damage near the cabin door.
Accident Overview
A pilot experienced a loss of oil pressure while en route. Shortly thereafter, the engine failed, prompting the pilot to conduct a forced landing in a field. During the landing roll, the airplane struck trees at the end of the field.
Maintenance History
Prior to the flight, the airplane had undergone maintenance that included an oil change and the installation of a newly overhauled propeller and propeller governor.
Post-Accident Examination
An examination of the aircraft after the accident revealed damage to the lower fuselage substructure in the area near the cabin door opening. Additionally, oil was found inside the engine compartment and on the exterior surfaces of the fuselage.