Issue 4/1974 Articles Issue GeschichteF3B High-Launch Event in Emmen Rolf Girsberger4/1974 Geschichte17th Biel City Meeting D. Boldini4/1974 GeschichteIndoor Gliding World Championship (F1D) Werner Heise4/1974 GeschichteCircle Flight Scale (F4B) Werner Heise und Bruno Giezendanner4/1974 GeschichteRC Scale World Championship (F4C) Werner Heise4/1974 GeschichteThe 1974 Air Olympics Werner Heise4/1974