What happened
On July 27, 2007, a student pilot was conducting solo circuit training at Vierzon aerodrome in a Jodel D 11 and2 (registration F-PHUL). The flight was part of a training program supervised by an instructor who was monitoring the flight from the runway threshold using a portable radio.
During the second circuit, the student pilot exhibited several procedural errors. The instructor noted that the student was repeatedly pressing the radio transmit button unnecessarily and using incorrect radio phraseology. During the final approach, the instructor identified that the aircraft was traveling at 110 km/h, significantly exceeding the required approach speed of 80 km/h. Consequently, the instructor ordered an immediate go-around.
While attempting to correct the flight path, the student pilot turned left toward the runway threshold. The instructor attempted to provide corrective maneuvers via radio, but the student responded with profanity rather than aeronautical instructions. During this period, the aircraft entered a steep dive. Witnesses reported hearing the engine noise increase in pitch and volume as the aircraft descended, ending in a collision with the ground.
The investigation
The investigation was reconstructed using testimonies from the instructor and other pilots monitoring the frequency. The examination of the wreckage of the Jodel D 112 revealed no mechanical failures or technical malfunctions prior to the impact.
Investigators also reviewed the student pilot's training history and recent activities. The student had completed his first solo flight only one week prior. While he had occasionally struggled with specific maneuvers, he was noted for his determination. On the day of the accident, the student had been active at the aerodrome performing maintenance tasks, though no signs of fatigue were noted by club members. The investigation also noted the student had recently been cleared for flight following a serious medical condition, though no evidence was found to link this to the accident.