On July 21, 1993, a Piper PA-18 (registration N472GF) operated by Davis, Jeremy S. was involved in an aviation accident near Port Alsworth, AK. Investigators recorded the probable cause as: FUEL CONTAMINATION AND THE PILOT IN COMMAND'S IMPROPER PREFLIGHT PLANNING/DECISION. A FACTOR WAS THE PILOT'S INADEQUATE AIRSPEED WITH WHICH TO MAKE A NORMAL LANDING FOLLOWING THE ENGINE POWER LOSS. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
An airplane experienced sudden engine power loss at about 250 feet AGL after a touch-and-go landing. The pilot had recently washed and steam-cleaned the engine. Water mixed with fuel was found in the gascolator.
Incident Details
During a touch-and-go landing, the airplane climbed steeply to approximately 250 feet above ground level when the engine suddenly lost all power. The pilot subsequently performed a hard landing back on the runway.
Pilot Statement
The pilot reported that he had washed the airplane and steam-cleaned the engine prior to the flight. His intention was to fly around the traffic pattern a few times to dry off the components. He stated that the airplane's fuel tanks contained about 7 gallons of fuel at the time of the incident.
Investigation Findings
During the post-incident examination, water was found mixed with the fuel in the gascolator, a component that separates water and sediment from the fuel system.
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