NTSB Identification: WPR09LA108
14 CFR Part 91: General Aviation
Accident occurred Wednesday, February 04, 2009 in Mojave, CA
Probable Cause Approval Date: 05/12/2009
Aircraft: DOUGLAS DC-3/65AR, registration: N834TP
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.

During the takeoff roll, the airplane began to drift to the right. Despite the certified flight instructor's and student's attempts, they were unable to stop the yaw and drift. As the airplane was about to depart the runway, the pilots did not reduce the throttles or apply brakes as they felt that it would be safer to attempt to get airborne. After departing the runway surface, the airplane collided with a series of berms, which sheared off the left landing gear and left engine. The right landing gear collapsed, and the airplane came to rest in a nose down attitude. Post accident examination revealed that the student pilot had inadvertently set the rudder trim to the full right position when he adjusted the rudder pedals during the prestart checks. The rudder trim was in the full right position for the takeoff, and found in the same position upon post accident inspection.

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

The student pilot failed to follow the checklist and set the takeoff trim properly prior to takeoff resulting in a loss of directional control. Contributing to the accident were the certified flight instructor's inadequate supervision and delayed remedial action.

Full narrative available

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