Jonker Sailplanes is the realization of the Jonker brothers' dream. They do follow their vision of “Jonker Sailplanes and its people being regarded as the best sailplane manufacturer producing the most sought after sailplanes in the world”. A great product definitely needs a big vision. World Champion Sebastian Kawa wrote in his book that the JS 1 has a great potential. He recently flew it during a week of soaring with the world champions at Tswalu Kalahari Game Reserve. His flights were posted in OLC. It looks like he really enjoyed the Jonker's product…