Accident Overview
A pilot reported that the preflight inspection was normal, with clear fuel and no water present, and approximately 35 gallons of fuel in the tanks. After taxiing to runway 36, the pilot performed an engine run-up before departure. The fuel selector was noted to be on the right fuel tank at that time.
Events During Flight
Shortly after liftoff from runway 36, the engine began to run rough. The pilot then switched the fuel tank selector to the left tank. He could not recall whether the selector was engaged in a detent position. The pilot executed a 180-degree turn to return the airplane to the field. During the engine problem, he placed his right hand on the yoke and used his left hand to reach for the fuel selector, slapping it to the left tank position. In the process, he was leaning into and pulling on the yoke. The airplane subsequently crashed 116 feet west of the north end of runway 18.
Post-Accident Examination
Under FAA oversight, Lycoming and Piper conducted an examination of the airplane and engine. The engine showed no indication of pre-impact anomalies or failure. Fuel lines were examined with no evidence of contamination. Fuel was present in all fuel lines forward of the gascolator on the firewall. The fuel tank selector was found in the off position. The FAA inspector stated that witnesses who assisted with accident recovery did not alter the fuel selector position.