On December 5, 1997, a Piper PA-34-200T (registration N8189P) was involved in an aviation accident near Lee's Summit, MO. Investigators recorded the probable cause as: the pilot's inadequate remedial action concerning the loss of engine power, after inadvertently switching off the magnetos. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
The pilot reported a sharp left veer after takeoff in gusty wind conditions at night. Despite full right rudder and aileron, the aircraft flew through treetops and struck the ground during an attempt to return. Investigation revealed left engine magneto switches off and a mispositioned switch guard.
Accident Sequence
The pilot reported taking off during gusty wind conditions on a dark night. According to the pilot, shortly after liftoff, the airplane "veered sharply to the left." The pilot stated that he applied full right rudder and aileron to maintain a "somewhat level" attitude. The airplane then flew through the tops of trees before colliding with the ground, while the pilot was maneuvering to return to the airport.
Investigation Findings
An investigation was conducted to determine the circumstances of the accident. It was found that the left engine's propeller was not feathered, and the landing gear was in the DOWN position. No mechanical anomalies were discovered with the engine or airframe that would have prevented flight. However, the left engine magneto switches were found in the OFF position, while the landing light switches were ON. Additionally, the magneto switch guard cover's self-erecting springs were broken, which allowed the guard cover to cover the landing light switches instead of the magneto switches.
Frequently asked questions
What happened in the 5 Dec 1997 Piper PA-34-200T accident near Lee's Summit, MO?
The pilot reported a sharp left veer after takeoff in gusty wind conditions at night. Despite full right rudder and aileron, the aircraft flew through treetops and struck the ground during an attempt to return. Investigation revealed left engine magneto switches off and a mispositioned switch guard.
What aircraft was involved and where did it happen?
The accident on 5 Dec 1997 involved a Piper PA-34-200T, registration N8189P, at Lee's Summit, MO.
What was the probable cause of the accident?
the pilot's inadequate remedial action concerning the loss of engine power, after inadvertently switching off the magnetos. Factors relating to the accident were: the broken springs for magneto cover guard; excessive drag from the extended landing gear and unfeathered propeller; and failure of the pilot to maintain…
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