On December 4, 1985, a Cessna T210M (registration N1982M) operated by Thomas J. O'connor was involved in an aviation accident near Highland, MI. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
Fifteen minutes after takeoff, an engine failure occurred, prompting a forced landing in a field. The rough surface caused the nose and right main landing gear to collapse. Investigation revealed a failed exhaust valve in the #4 cylinder and extremely worn valve guides in all cylinders. The valve guides had been replaced 137 engine hours prior during a top overhaul.
Accident Summary
Approximately fifteen minutes after departure, the aircraft experienced an engine failure. The pilot executed a forced landing in a field. The uneven and rough surface of the landing area resulted in the collapse of the nose landing gear and the right main landing gear.
Examination Findings
Post-accident examination of the engine disclosed that the exhaust valve in the number four cylinder had failed. Additionally, the valve guides in all cylinders were found to be extremely worn. These conditions were identified as contributing to the engine failure.
Maintenance History
According to the engine logbook, all valve guides had been replaced during a top overhaul that was completed 137 engine operating hours prior to the accident.
What happened in the 4 Dec 1985 Cessna T210M accident near Highland, MI?
Fifteen minutes after takeoff, an engine failure occurred, prompting a forced landing in a field. The rough surface caused the nose and right main landing gear to collapse. Investigation revealed a failed exhaust valve in the #4 cylinder and extremely worn valve guides in all cylinders. The valve guides had been…
What aircraft was involved and where did it happen?
The accident on 4 Dec 1985 involved a Cessna T210M, registration N1982M, operated by Thomas J. O'connor, at Highland, MI.
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