(AeCSA Annual Reports)

Jonker's Game Changer JS1 Revelation Sailplane
FLYING A SCHEIBE FALKE TOURING MOTOR GLIDER
TOURING MOTOR GLIDERS FLY IN PARYS 2014
WONDERS OF AVIATION-KRANSKOP GLIDING DAY
Howick Flying Club
Kitty Hawk Touring Motorised Glider Fly In
The Jonker Sailplanes Evolution
Tienie Jonker - More Than Just The Inspiration Of The JS1