On June 9, 1991, a Piper PA-28-140 (registration N7470R) operated by Scott G. Miller was involved in an aviation accident near Grass Lake, MI. No fatalities were reported. Investigators recorded the probable cause as: The post-accident investigation revealed that an oil cooler hose had failed, which caused the loss of oil pressure. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
A pilot made a precautionary landing in a hay field after noticing smoke and losing oil pressure. Overshooting, the aircraft struck a fence and railroad right of way before stopping on railroad tracks. Investigation found a failed oil cooler hose.
Incident Summary
According to the pilot's statement, while cruising at 3,000 feet mean sea level, smoke was observed in the cockpit, followed by a loss of oil pressure. The pilot reduced engine power to a minimum and elected to perform a precautionary landing in a hay field. However, the aircraft overshot the intended landing site. The pilot then attempted to land in an adjacent field, but during the landing, the aircraft collided with a fence and a railroad right of way. After the collision, the aircraft bounced and slid to a stop on the railroad tracks.
Post-Accident Investigation
A post-accident investigation revealed that an oil cooler hose had failed, which caused the loss of oil pressure. No other factors or conditions were reported in the investigation.
Probable cause
The post-accident investigation revealed that an oil cooler hose had failed, which caused the loss of oil pressure.
Frequently asked questions
What happened in the 9 Jun 1991 Piper PA-28-140 accident near Grass Lake, MI?
A pilot made a precautionary landing in a hay field after noticing smoke and losing oil pressure. Overshooting, the aircraft struck a fence and railroad right of way before stopping on railroad tracks. Investigation found a failed oil cooler hose.
Were there any fatalities in the 9 Jun 1991 Piper PA-28-140 accident?
No fatalities were recorded in this accident.
What aircraft was involved and where did it happen?
The accident on 9 Jun 1991 involved a Piper PA-28-140, registration N7470R, operated by Scott G. Miller, at Grass Lake, MI.
What was the probable cause of the accident?
The post-accident investigation revealed that an oil cooler hose had failed, which caused the loss of oil pressure.
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