On May 21, 1992, a Piper PA-25-260 (registration N7354Z) operated by Mcconnaughhay, Kenneth W. was involved in an aviation accident near Des Arc, AR. Investigators recorded the probable cause as: THE POWER LOSS DUE TO THE FAILED EXHAUST STACK RESULTANT FROM INADEQUATE MAINTENANCE INSPECTION. FACTORS WERE THE LACK OF SUITABLE TERRAIN FOR THE LANDING AND THE PILOT'S FAILURE TO MAINTAIN AIRSPEED. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 1 related events involving the same aircraft type or operator are linked below.
A pilot experienced smoke in the cockpit after takeoff, followed by engine power loss and failure. The aircraft made a forced landing in a soft, rough field, collapsing the landing gear. Investigation revealed a separated exhaust stack caused damage to wiring and fuel system.
Incident Summary
After takeoff, the pilot detected smoke in the cockpit. Shortly afterward, the engine began to lose power and run rough, eventually quitting. The pilot attempted a forced landing in a soft, rough open field. The airplane landed hard, causing the landing gear to collapse.
Investigation Findings
Post-accident investigation revealed that the left exhaust stack had separated. This separation resulted in burning an engine wire bundle and subjecting the fuel strainer to high temperatures.
Operator's Statement
The operator stated that the accident could have been prevented through closer inspection of the exhaust system.