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NTSB Identification: FTW00LA248. The docket is stored in the (offline) NTSB Imaging System.

Accident occurred Monday, September 04, 2000 at GUTHRIE, OK

Aircraft: Cessna 150F, registration: N8783S

Injuries: 2 Uninjured



Event: 20001212X21969 Status: Final Report Approved On Tuesday, May 08, 2001



NTSB Preliminary Narrative (6120.19A)



On September 4, 2000, at 0749 central daylight time, a Cessna 150F airplane, N8783S, was substantially damaged when it nosed over during a

forced landing following a loss of engine power near Guthrie, Oklahoma. The private pilot and his passenger were not injured. The airplane

was registered to a private individual and was operated by the pilot. Visual meteorological conditions prevailed and a flight plan was not filed for

the 14 Code of Federal Regulations Part 91 personal flight. The local flight was originating from the Myrick Private Airport near Guthrie,

Oklahoma, at the time of the accident.



According to the pilot's written statement, the airplane was climbing through 100-150 feet agl when the engine lost approximately 200-300 RPM.

The pilot added that soon after the engine lost power, the stall warning horn sounded at approximately 45-50 mph, while he was "trying to

maintain altitude." The pilot flew the airplane toward a field, and the engine regained power and immediately lost power again. The pilot

extended 30 degrees of flaps to slow his approach to the field. The pilot reported that the field was rough and had "12 to 18-inch ruts." The

airplane touched down in the field with the left main landing gear first and bounced after impacting a "deep rut." The airplane then impacted the

ground with the left wing tip. Subsequently, the nose landing gear collapsed, and the airplane nosed over and came to rest inverted.



The FAA inspector, who responded to the accident site, stated that the airplane's empennage was structurally damaged. He added that the

airplane had approximately 17 gallons of fuel on board, and he could not find any anomalies with the engine.



NTSB Final Narrative (6120.4)



During takeoff, the airplane was climbing through 100-150 feet agl when the engine lost approximately 200-300 RPM. The pilot stated that soon

after the engine lost power, the stall warning horn sounded at approximately 45-50 mph, while he was 'trying to maintain altitude.' The pilot flew

the airplane toward a field, and the engine regained power and immediately lost power again. The pilot extended 30 degrees of flaps to slow his

approach to the field. The pilot reported that the field was rough and had '12 to 18-inch ruts.' The airplane touched down in the field with the

left main landing gear first, and bounced after impacting a deep rut. The airplane then impacted the ground with the left wing tip. Subsequently,

the nose landing gear collapsed, and the airplane nosed over and came to rest inverted. The FAA inspector stated that he could not find any

anomalies with the engine that would have prevented its operation.



NTSB Probable Cause Narrative



The partial loss of engine power due to undetermined reasons. A factor was the lack of suitable terrain for the forced landing.



Occurrences and Sequence of Events

Occurrence: 1, LOSS OF ENGINE POWER

Phase of Operation: TAKEOFF - INITIAL CLIMB



Sequence of Events for Occurrence Number: 1

1 ( Cause ) REASON FOR OCCURRENCE UNDETERMINED / /



Occurrence: 2, FORCED LANDING

Phase of Operation: DESCENT - EMERGENCY



Occurrence: 3, NOSE OVER

Phase of Operation: LANDING - ROLL



Sequence of Events for Occurrence Number: 3

2 (Finding) TERRAIN CONDITIONS / PLOWED/FURROWED / (0)

3 ( Factor ) TERRAIN CONDITIONS / NONE SUITABLE / (0)


 

 

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