On 12 December 2016, the 10 years maiden flight anniversary of the JS 1 was celebrated with the first test flight of the JS3 Rapture. Five years of intense CFD work done by company's chief aerodynamicist Dr Johan Bosman, resulted in this revolutionary new model. Jonker Sailplanes' design philosophy with JS3 was to create the ultimate competition glider with high performance in weather conditions ranging from weak survival weather to the strongest desert conditions, without compromising feel and handling ability.   

The JS3 is currently the 15 meter glider with the highest wing loading on the market but with an exceptional ability to carry this load, having the feel of a light glider. 

JS3-15 was introduced to the world at the 34th World Gliding Championships in Australia achieving 2 day wins and the fastest task speed in the competition.

The 18 meter variant of the JS3 was released a mere four months after the maiden flight of the JS3-15.  The same philosophy was used with this model as the JS3 – the maximum achievable wing loading of 60kg/m2 for strong conditions, but also a very attractive minimum wing loading of approximately 40kg/m2  

JS3-18 is the most modern 18m design in the world and is expected to be a dominating force in the contest arena for many years to come.


Jonker Sailplanes aims to provide competitive market pricing, selling at the OEM’s recommended sales price. Instrument & avionics installation is included in the standard specification (excluding installation of transponder and ELT, or customer supplied instruments).

A 15% handling fee will be added for instruments supplied by customers. This fee is based on the OEM or equivalent recommended list prices.

JS3 Rapture newly designed instrument panel with LXNAV Flight Computer (LX9070) and 24mm LXNAV remote control stick

JS3 Rapture with LX9000