On October 13, 2003, a Mooney M20K (registration N4085H) was involved in an aviation accident near Carrollton, GA. Investigators recorded the probable cause as: A loss of engine power for undetermined reasons. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
During the first flight after a new engine installation, the engine lost power in cruise. The pilot's restart attempts failed, and the airplane collided with the ground during a forced landing in a small, uneven field. Post-accident examinations found no mechanical malfunction.
Flight History
The flight was the airplane's first flight since the installation of a new engine. During cruise flight, the engine suddenly stopped producing power, and the propeller wind-milled. The pilot's attempts to restore engine power were unsuccessful. During a forced landing to a small, uneven field, the airplane collided with the ground.
Post-Accident Examination
Test bench examination of the magnetos and ignition harnesses revealed the components functioned to factory specifications. Test bench flow examinations of the throttle body fuel control, fuel pump, fuel manifold valve, lines, and nozzles revealed the components functioned to factory specifications. Disassembly examination of the engine and accessories revealed no evidence of mechanical malfunction.