Event Summary
A student pilot, who had accumulated approximately 50 hours of flight time, encountered engine roughness during the initial takeoff roll. The pilot promptly aborted the departure and returned to the airport. After performing an engine run-up, which included a magneto check, and noting no abnormal indications, the pilot elected to depart a second time.
Second Takeoff and Loss of Power
During the second takeoff attempt, the airplane experienced a loss of engine power. The student pilot failed to maintain adequate airspeed, resulting in an aerodynamic stall. The aircraft subsequently came to rest in a vertical position among a group of trees.
Post-Accident Examination
A post-accident examination of the airplane, which had flown less than 40 hours in the preceding 10 years, revealed no anomalies or mechanical defects. The specific reason for the loss of engine power could not be determined.
Probable Cause
The probable cause of the accident was not determined by the investigation.