2 FAI World Speed Record claims by RISEN & SIREN ultralight aircrafts

https://m.facebook.com/story.php?story_fbid=2705879802836078&id=170941806329903 

December 15, 2019 in Modena/Italy,  Alberto Porto and co-pilot Elisa Tomasi set 2 new world speed records

1: 50km closed circuit: 288,33km/h

 2: Speed over a 15km straight course: 337,51km/h