NTSB Identification: LAX08CA173.
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Accident occurred Thursday, June 26, 2008 in Ryegate, MT
Probable Cause Approval Date: 07/30/2008
Aircraft: Beech A36, registration: N824C
Injuries: 1 Minor,2 Uninjured.

NTSB investigators used data provided by various entities, including, but not limited to, the Federal Aviation Administration and/or the operator and did not travel in support of this investigation to prepare this aircraft accident report.

The pilot reported that prior to departure he checked the weather and performed a preflight inspection. He observed the direction of the windsock, and stated that it favored a takeoff from runway 23. He completed an uneventful run-up, and began the takeoff roll. Halfway down the turf runway he observed the airplane's airspeed to be indicating 60 knots. He stated that at this point on the takeoff roll he expected the airspeed to have reached 70 knots. The airplane continued to accelerate to 65 knots, and with the end of the runway approaching, the pilot 'forced' the airplane airborne and retracted the landing gear. The airplane settled to the ground and then collided with trees at the end of the runway. The pilot observed the wind direction after the accident, and noted that it was out of the northeast. He opined that the airplane had encountered a sudden wind shift or downdraft during the takeoff roll.

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

The pilot's failure to abort the takeoff when the ground roll acceleration profile was determined to be insufficient for takeoff. Contributing to the accident was the shifting wind conditions.

Full narrative available

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