MUSKOGEE, OK, USA
N8139Z
Cessna 210-5
According to the pilot, the engine started to run rough, and then lost power, while in cruise flight at 6,500 feet MSL. The pilot attempted to land at a nearby airport; however, he subsequently landed short of the airport in a field approximately one mile southeast of the airport. During the landing roll, the airplane impacted a fence and fence posts, which resulted in leading edge damage to one wing and structural damage to both wing struts. The engine was examined by an FAA inspector, the aircraft owner, and a representative from the engine manufacturer at an local FBO. The contents of the fuel system were examined, and evidence of fuel contamination was found. The fuel in the tanks was yellow/straw in color and lacked the appearance of 100LL fuel; however, no diesel or jet fuel was detected. New spark plugs were installed, and the airplane was defueled and serviced with fresh 100LL fuel. The engine was started, and it operated normally through the normal operating range.
On August 7, 1996, at 1000 central daylight time, a Cessna 210-5, N8139Z, was substantially damaged during a forced landing near Muskogee, Oklahoma. The airplane was owned and operated by a private owner. The private pilot and his two passengers were not injured. Visual meteorological conditions prevailed for the personal flight conducted under Title 14 CFR Part 91. A weather briefing was obtained by the pilot prior to the flight and a flight plan was not filed. The flight originated from a private airstrip near Lonoke, Arkansas, at approximately 0800. According to the pilot, the engine started to run rough, and subsequently lost power while in cruise flight at 6,500 feet MSL. The pilot attempted to land at the Davis Airport, near Muskogee, Oklahoma; however, he was not able to reach the airport and landed in a field approximately one mile southeast of the airport. During the landing roll, the airplane impacted a fence and fence posts resulting in leading edge damage to one wing and structural damage to both wing struts. The engine was examined by the FAA inspector, the aircraft owner, and a representative from the engine manufacturer on August 28, 1996 at an FBO at Davis Field in Muskogee, Oklahoma. The contents of the fuel system were examined. The fuel in the tanks was "discolored" by an unknown substance and appeared yellow/straw in color. The fuel was also lacking the appearance and smell of 100LL fuel; however, no diesel or jet fuel was detected. New spark plugs were installed as the fuel tanks were drained and serviced with fresh 100LL fuel. The engine was started and operated normally through the normal operating range by the pilot/owner of the aircraft. The loss of engine power was attributed to the contaminated fuel found in the fuel tanks.
loss of engine power due to fuel contamination. The lack of suitable terrain for a forced landing was a related factor.
Source: NTSB Aviation Accident Database
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