After just over one flight hour, the pilot reached Semnoz mountain in the Bauges mountain range, at a height of 600 m with respect to the valley. He performed manoeuvres on the south-west slopes of Semnoz for around thirty minutes with the glider's altitude gradually decreasing. On reaching a height of 450 m, he drew away from the slope to join the valley, probably in anticipation of a possible off-field landing. At a height of 160 m, the pilot performed a series of spirals without managing to gain any height. He then flew north over a wood. The glider next turned right in descent before colliding with trees a few seconds later.
The flight path obtained from the GNSS computer data seems to indicate that the pilot had decided to abort the flight. However, it is not possible to determine the pilot's intended strategy for the off-field landing.