On May 4, 2003, a Piper PA-18-150 (registration N9834P) was involved in an aviation accident near Ava, NY. Investigators recorded the probable cause as: The pilot's inadequate preflight which did not detect the contamination in the fuel, and subsequent power loss due to contaminated fuel while operating over unsuitable terrain. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
An airplane experienced a power loss at 150 feet AGL during initial climb, leading to a tree-top landing. Investigation found contamination in the gascolator after fuel was drained and returned during maintenance.
Accident Sequence
The airplane lost engine power during initial climb at an altitude of approximately 150 feet above ground level. Unable to reach a suitable landing area, the pilot landed in the tops of trees.
Investigation Findings
Post-accident examination revealed that the fuel selector valve had recently been replaced. According to maintenance records, the fuel tanks were drained into 5-gallon cans to accomplish the replacement, and the same fuel was later poured back into the wing tanks. The gascolator was found to contain contamination. Only trace amounts of fuel were found forward of the gascolator and in the carburetor.
Pilot Information
The pilot reported that a preflight inspection of the airplane was conducted prior to departure. The pilot's medical certificate had expired several years ago, and a flight review had not been completed in several years.
What happened in the 4 May 2003 Piper PA-18-150 accident near Ava, NY?
An airplane experienced a power loss at 150 feet AGL during initial climb, leading to a tree-top landing. Investigation found contamination in the gascolator after fuel was drained and returned during maintenance.
What aircraft was involved and where did it happen?
The accident on 4 May 2003 involved a Piper PA-18-150, registration N9834P, at Ava, NY.
What was the probable cause of the accident?
The pilot's inadequate preflight which did not detect the contamination in the fuel, and subsequent power loss due to contaminated fuel while operating over unsuitable terrain.
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