Incident Summary
A pilot reported that during takeoff, the aircraft's doors were latched open. After lift-off, the aircraft was unable to exceed 42 mph and attained an altitude of approximately 150 ft. Concerned about obstructions ahead due to the lack of performance, the pilot began a broad, flat 180-degree turn to return to the departure field. During the turn, the aircraft stalled and struck the ground.
Environmental Conditions
The accident site was at an elevation of about 6,530 ft. The reported temperature was 82 degrees Fahrenheit.
Aircraft Information
The aircraft was equipped with a 65-horsepower engine.
Sequence of Events
According to the pilot, the doors were latched open for the takeoff. After becoming airborne, the aircraft's performance was insufficient to accelerate beyond 42 mph. The pilot gained about 150 ft of altitude but, perceiving insufficient performance to clear obstacles ahead, elected to turn back. The turn was described as broad and flat. During this maneuver, the aircraft stalled and impacted the ground.