DAeC
http://www.modellflugimdaec.de/leistungssport/segelflug/f3f
Contest Eurotour
http://contestmodellsport5646.apps-1and1.net/competition-categories/f3f/
FAI Worldcup
http://www.fai.org/world-cups/f3f-radio-control-soaring
RC-Network e.V.
http://www.RC-Network.de
Club Saint Exupery Mertzwiller
http://www.saintex.fr