NTSB Identification: CEN10CA451
14 CFR Part 91: General Aviation
Accident occurred Monday, August 02, 2010 in Wild Rose, WI
Probable Cause Approval Date: 04/07/2011
Aircraft: Piper PA-12, registration: N775PA
Injuries: 1 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 stated that tailwheel-equipped airplane was accelerating on the takeoff roll when the tail became airborne before rotation speed, which was immediately followed by a left yaw/swerve. He attempted to regain directional control with right rudder and brake inputs, but the airplane continued in the left swerve. He elected to abort the takeoff by reducing engine power to idle while continuing to apply right rudder and brake inputs. He used aggressive braking as the airplane approached the left edge of the runway, but the airplane continued off the runway and struck several trees. He noted that the turf-runway was dew covered and that the wind was at approximately 3 knots, with no gusts. The leading edge of both wings, vertical stabilizer, and rudder were substantially damaged during the accident. A postaccident inspection of the airplane did not reveal any mechanical malfunction of the tailwheel or braking systems.

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

The pilot's loss of directional control during the takeoff roll.

Full narrative available

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