Introduction
An instructional flight involving a student and instructor pilot experienced an unexpected engine unresponsiveness during a slow flight to landing stall demonstration. The event resulted in a forced landing and subsequent collision with a tree.
Incident Description
The student pilot was demonstrating a slow flight to landing stall maneuver at 2,500 feet above ground level. During the recovery phase, the student pilot increased the throttle, but the engine did not respond. The instructor pilot then took control of the aircraft and elected to perform a forced landing. On short final approach to an open field, the airplane's wing clipped a tree.
Post-Accident Inspection
Following the incident, an inspection of the engine was conducted. The examination revealed no anomalies that could have caused the partial loss of engine power. No further details regarding the engine or aircraft condition were provided.