Issue 5/1977 Articles Issue GeschichteAugust 1 Casual Fly-In Urs Ribi5/1977 GeschichteHang Gliding Competition for the Teck Cup E. Rabe5/1977 Geschichte1977 European Championships for Regional Pilots 5/1977 GeschichteModern Profiles—What's Behind Them? Rolf Girsberger5/1977 Geschichte1977 RC Aerobatics World Championships Emil Giezendanner5/1977 GeschichteDear Readers Emil Giezendanner5/1977