Latest News
JS5 (Open Class Single seater) wing design from our Aerodynamic Chief Engineer Johan Bosman.
The #JS5 wing has 2 sections per side with a removable winglet (as strongly recommended by Cobra trailer design team). The 4 flaps per side are driven
JS3 high wing design – from our Aerodynamic Chief Engineer Johan Bosman
Why did you select a high-wing configuration on the JS3? Top performance sailplanes essentially must have the ability to climb and cruise better than its
The new standard – JS4
JS is expanding its product range and plans to release a product in the standard class – the JS4. It is important to have the
JS Production interrupted by Covid-19
Production at JS was unfortunately interrupted by the Corona virus. The South African Government has followed world best practises to slow down the spread of
MD-TJ 42 Jet Turbine Race
The MD-TJ 42 Jet Turbine creates the most versatile sailplane sustainer system ever made. The installation weighs a mere 17kg and with an additional 17kg
Congratulating the best women glider pilots in the world – 10th Women’s World Gliding Championship
Jonker Sailplanes would like to congratulate the best women glider pilots of the world with their stunning performance Down Under! We particularly would like to
Sailplane Grand Prix Series 10 – 2nd Qualifying Round South Africa
The Sailplane Grand Prix Series 10 – 2nd Qualifying round, hosted by Akavlieg Potchefstroom Gliding Club, was held from 3 January 2020 – 11 January
100 Maiden Flights – by AP Kotze
I started gliding in 2004 at Potchefstroom gliding club after attending a training day during the final year of High school. Being from a small
The JS2 SL Project Update
While other manufacturers claim to have an uncompromised design, we in the JS design team believe in a perfectly compromised design, taking into account all
CIM – Coppa Internazionale del Mediterraneo – 2019
From 4 August 2019 – 14 August 2019 JS’s European Agents participated at the COPPA INTERNATIONALE DEL MEDITERRANEAN CIM in Rieti – Bella Italia. This
New JS Agent Structure – Europe
JS made some changes to the marketing structure in the European region. To enable us to meet the needs of our growing customer base, we
UK Open Class Nationals 2019
The UK Open Class Nationals, in spite of some relatively challenging weather, had six successful competition days! Many Congratulations to the winners Andy Davis, Tim
EASA approved – The JS3 Certification Journey
June 2017 marked an incredible milestone for the JS-MD Partnership when the JS1 variant, the JS-MD 1C, was awarded type certification from EASA. Now two
2019 German Championship_15m and 18m Class
The 2019 German Championships in the 15m and 18m classes was presented in Marpingen August 2019 . 15m class champion Steffen Schwarzer and runner-up David
USA Open and 18m class Nationals Champions – June 2019
The outcome of the US Open and 18-m Nationals was very positive for JS pilots. Jim Lee claimed the championship title for a second time this season! The first was
Danish 18m Champion – by Arne Boye-Møller
A first in Scandinavia The Danish 18m nationals in may/june was a first in many respects. For the first time ever, Jonker Sailplanes gliders participated
JS-3 18 meter, The Record Breaker – Anders Møller Andersen
Anders Andersen made this year, his year, by breaking not one but three Danish records! We are so proud of him and his uniquely purple painted JS3.
300 km FAI triangle Women´s World Record in the JS3 15 m – Katrin Senne
My parents, Klaus and Ursula Keim, and I were invited by some friends to a big party in Johannesburg during November this year. My ordered
