 There is an annual OLC Symposium and award ceremony in late October each year in Gersfeld Germany, near the Wasserkuppe.Over 12000 pilots participated in the OLC worldwide in 2006.The IGC-OLC World League is a multi-national decentralized glider race sanctioned by the Fédération Aéronautique Internationale (FAI) that runs in conjunction with the Aerokurier Online-Contest for 19 consecutive weekends during the Northern Summer season.