Apparently there was another aircraft involved.
https://aviation-safety.net/wikibase/wiki.php?id=195419
Plane apparently belonged to the local Aeroclub http://www.aeroclub-savoie.com/index.php?option=com_content&view=article&id=10&Itemid=128&lang=en
HBPMP is a Lausanne flying club machine. Lots of luck there.
