Dark Delta-shaped Object in the Sky over Thyez

Summary

On the evening of April 24, 2015, a father and his children were on their terrace admiring the starry sky when the father noticed a moving shadow. He described a long, dark, delta-shaped object moving rapidly towards the south. The object made no noise and disappeared after a few seconds, making identification difficult. The lack of other witnesses and the brevity of the observation complicated the investigation. Although the possibility of a nocturnal bird was considered, there was no conclusive evidence. Due to the lack of data, the GEIPAN classified the case as category C.