NTSB Identification: SEA98LA189.
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Accident occurred Tuesday, September 29, 1998 in RONAN, MT
Probable Cause Approval Date: 01/11/2000
Aircraft: Cessna 172D, registration: N2479Y
Injuries: 2 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

The pilot reported that while attempting to execute a soft field takeoff on a private, non-identified, turf airstrip, he pulled the aircraft's nose up prematurely. The aircraft then settled back to the surface and the pilot allowed the aircraft to accelerate before pulling the nose up a second time. On this occasion, all three wheels left the surface. Immediately thereafter, while still in ground effect, the aircraft veered left off of the takeoff surface. The pilot reported that he could not maintain directional control, and the aircraft went through a barbed-wire fence, striking several fence posts in the process. Density altitude at the closest weather reporting station was approximately 4,792 feet.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

The pilot's failure to attain adequate airspeed during liftoff from a soft field takeoff. Factors include high density alttiude.

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