
At Jonker Sailplanes, we transform your passion for gliding into reality. Designed in South Africa with advanced composites technologies and world-class aerodynamics research, our gliders deliver precision, performance, and confidence.
Every JS model — from JS1, JS2, JS3, JS4, to JS5 — whether equipped with combustion or electric self-launch systems, or jet sustainers, is engineered to meet diverse needs and pilot ambitions across different competition classes.
For over 20 years, Jonker Sailplanes has combined innovation, reliability, and pilot-focused design to make your dream, our vision.

At Jonker Sailplanes, innovation isn’t just a feature — it’s our foundation. By merging advanced aerodynamics, precision engineering, and pilot-driven design, we create sailplanes that set new standards in performance and reliability. Whether you fly to compete, explore, or simply experience the pure joy of flight, every Jonker glider is crafted to deliver the ultimate soaring experience — where technology, passion, and perfection take flight.

Meticulous attention to detail in every component.

Cutting-edge technology and aerodynamic design.

Unmatched precision and performance.

After-Sale Support you can count on—anywhere
JS3 RES – EAD LIFTED – Update | 6 May 2026
Dear JS3 RES pilots, owners, and valued customers, We are pleased to confirm that, following the revision of the Emergenc …

EASA lifted JS3 RES Emergency Airworthiness Directive
Great news for all JS3 RES pilots EASA has officially lifted the operational restrictions on the RES system following ap …

Patience was rewarded – JS3 RES just days from approval
For the approximately 150 owners of the Jonker JS3 RES, of which approximately 15 are in the Nordic countries, the wait …








