On September 9, 2004, a Piper PA-32-260 (registration N45100) operated by Adam Kolaczek was involved in an aviation accident near Kennesaw, GA. Investigators recorded the probable cause as: The loss of engine power for undetermined reasons. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
During climb, the pilot reduced propeller RPM to 2400, causing manifold pressure to drop to 20 inches. Advancing controls had no effect. The pilot performed emergency procedures as the airplane descended into trees. Post-accident examination found no discrepancies.
Pilot Report
The pilot reported that after takeoff throttle adjustment, the engine operated normally with a good climb rate. However, when the pilot reduced the propeller RPM to 2400, the manifold pressure dropped dramatically to 20 inches. Advancing the propeller lever to the full forward position and the throttle to the full forward position had no effect on the lost manifold pressure.
Emergency Descent
The pilot executed the emergency procedures as the airplane descended into a stand of trees. The specific emergency checklist followed was not detailed in the report.
Post-Accident Examination
A thorough examination of the airframe and engine assemblies after the accident found no discrepancies. No mechanical or other issues were identified that could explain the loss of manifold pressure.
Frequently asked questions
What happened in the 9 Sept 2004 Piper PA-32-260 accident near Kennesaw, GA?
During climb, the pilot reduced propeller RPM to 2400, causing manifold pressure to drop to 20 inches. Advancing controls had no effect. The pilot performed emergency procedures as the airplane descended into trees. Post-accident examination found no discrepancies.
What aircraft was involved and where did it happen?
The accident on 9 Sept 2004 involved a Piper PA-32-260, registration N45100, operated by Adam Kolaczek, at Kennesaw, GA.
What was the probable cause of the accident?
The loss of engine power for undetermined reasons.
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