On September 12, 1992, a Cessna 172P (registration N5361K) operated by Kal-aero, Inc. was involved in an aviation accident near St. Charles, MI. Investigators recorded the probable cause as: THE JAMMING OF THE OIL PRESSURE PUMP CAUSED BY THE FAILURE OF THE OIL PRESSURE PUMP DRIVEN IMPELLER. THE LACK OF A SUITABLE LANDING AREA WAS A FACTOR. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
During a solo cross-country flight, a student pilot experienced decreasing oil pressure, engine roughness, smoke, and complete engine failure. He performed an emergency landing in a muddy bean field, causing the airplane to nose over. Investigation found a broken oil pump impeller tooth and damaged drive tangs.
Flight Details
A solo student pilot was conducting a cross-country flight when the oil pressure readings steadily decreased. He elected to divert from his flight plan to an alternate airstrip.
Engine Failure
As the pilot proceeded toward the alternate destination, the engine began to run rough and produce smoke. Shortly thereafter, the engine failed completely.
Emergency Landing
The pilot performed an emergency landing in a nearby muddy bean field. Upon touchdown, the airplane nosed over.
Post-Landing Investigation
Examination of the oil pump revealed that the oil pump driven impeller had a broken tooth. Additionally, broken drive tangs were found on the oil pump driveshaft.
Frequently asked questions
What happened in the 12 Sept 1992 Cessna 172P accident near St. Charles, MI?
During a solo cross-country flight, a student pilot experienced decreasing oil pressure, engine roughness, smoke, and complete engine failure. He performed an emergency landing in a muddy bean field, causing the airplane to nose over. Investigation found a broken oil pump impeller tooth and damaged drive tangs.
What aircraft was involved and where did it happen?
The accident on 12 Sept 1992 involved a Cessna 172P, registration N5361K, operated by Kal-aero, Inc., at St. Charles, MI.
What was the probable cause of the accident?
THE JAMMING OF THE OIL PRESSURE PUMP CAUSED BY THE FAILURE OF THE OIL PRESSURE PUMP DRIVEN IMPELLER. THE LACK OF A SUITABLE LANDING AREA WAS A FACTOR.