On November 5, 1989, a Cessna P206 (registration N2566X) was involved in an aviation accident near Thelma, TX. Investigators recorded the probable cause as: THE PILOT'S FAILURE TO DRAIN ALL THE WATER FROM THE FUEL SYSTEM DURING PREFLIGHT. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
Approximately 10 minutes after takeoff, the pilot switched fuel tanks, and the engine stopped. Restart attempts failed, and the forced landing resulted in the aircraft striking power lines and impacting the ground. Investigation found large quantities of water throughout the fuel system.
Accident Summary
About 10 minutes after takeoff, the pilot switched from the right to the left fuel tank. The engine then quit, and restart attempts were unsuccessful. The pilot set up a forced landing approach to an open field. During the final approach, the aircraft struck power lines and subsequently impacted the ground.
Investigation Findings
Investigation revealed large quantities of water throughout the fuel system and engine. The fuel caps were found to be of the proper kind and in good condition. The pilot stated that the aircraft had been topped off with fuel six days prior to the accident and that he sumped the tanks before takeoff. It was determined that the aircraft had flown at least once after the last refueling.
Previous Operations
The aircraft had been tied down outside at an airport that received 5 inches of rain during the week preceding the accident.
What happened in the 5 Nov 1989 Cessna P206 accident near Thelma, TX?
Approximately 10 minutes after takeoff, the pilot switched fuel tanks, and the engine stopped. Restart attempts failed, and the forced landing resulted in the aircraft striking power lines and impacting the ground. Investigation found large quantities of water throughout the fuel system.
What aircraft was involved and where did it happen?
The accident on 5 Nov 1989 involved a Cessna P206, registration N2566X, at Thelma, TX.
What was the probable cause of the accident?
THE PILOT'S FAILURE TO DRAIN ALL THE WATER FROM THE FUEL SYSTEM DURING PREFLIGHT.
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