{"id":9033,"date":"2023-06-28T16:17:00","date_gmt":"2023-06-28T14:17:00","guid":{"rendered":"https:\/\/jonker-sailplanes.com\/?p=9033"},"modified":"2025-07-30T16:21:46","modified_gmt":"2025-07-30T14:21:46","slug":"js3-res-aircraft-achieves-type-certificate-approval","status":"publish","type":"post","link":"https:\/\/jonker-sailplanes.com\/de\/js3-res-aircraft-achieves-type-certificate-approval\/","title":{"rendered":"JS3 RES Aircraft Achieves Type Certificate Approval"},"content":{"rendered":"<p>After almost a year-long delay from the original schedule, the JS3 RES aircraft has finally been granted Type Certification (TC) by EASA. This achievement marks a significant milestone for the JS\/M&amp;D and SOLO teams!<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/c4ffab14-49c6-5ae3-5633-bebd0a55d60f.jpg\" alt=\"\" class=\"wp-image-9035\" srcset=\"https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/c4ffab14-49c6-5ae3-5633-bebd0a55d60f.jpg 1024w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/c4ffab14-49c6-5ae3-5633-bebd0a55d60f-300x200.jpg 300w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/c4ffab14-49c6-5ae3-5633-bebd0a55d60f-768x512.jpg 768w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/c4ffab14-49c6-5ae3-5633-bebd0a55d60f-18x12.jpg 18w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/c4ffab14-49c6-5ae3-5633-bebd0a55d60f-600x400.jpg 600w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/c4ffab14-49c6-5ae3-5633-bebd0a55d60f-128x84.jpg 128w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>The journey to obtain EASA certification for the JS3 RES aircraft was incredibly challenging and complex, and the impact of the Covid pandemic did not help either.<\/p>\n\n\n\n<p>The decision to choose the propulsion system from SOLO was driven by its classification as a certified stand-alone Class 1 product. &nbsp;Consequently, the JS3 certification program was developed around this certified propulsion system.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"605\" src=\"https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/d98899cc-c66a-a696-416b-cd1604748fc9-1024x605.jpg\" alt=\"\" class=\"wp-image-9036\" srcset=\"https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/d98899cc-c66a-a696-416b-cd1604748fc9-1024x605.jpg 1024w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/d98899cc-c66a-a696-416b-cd1604748fc9-300x177.jpg 300w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/d98899cc-c66a-a696-416b-cd1604748fc9-768x454.jpg 768w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/d98899cc-c66a-a696-416b-cd1604748fc9-18x12.jpg 18w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/d98899cc-c66a-a696-416b-cd1604748fc9-600x355.jpg 600w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/d98899cc-c66a-a696-416b-cd1604748fc9.jpg 1333w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>However, the development and certification process for the propulsion system took significantly longer than expected. The program delays can be attributed to the relative novelty of electric propulsion systems and also EASA faced internal challenges involving the formulating approval processes for Class 1 electric propulsion systems. To the best of our knowledge, this may be the first time that EASA has certified a Class 1 electric propulsion\/self-launch system.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"683\" height=\"1024\" src=\"https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/ab5f96c8-118f-fef9-2bff-1497b47889ca-683x1024.jpg\" alt=\"\" class=\"wp-image-9037\" srcset=\"https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/ab5f96c8-118f-fef9-2bff-1497b47889ca-683x1024.jpg 683w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/ab5f96c8-118f-fef9-2bff-1497b47889ca-1365x2048.jpg 1365w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/ab5f96c8-118f-fef9-2bff-1497b47889ca-200x300.jpg 200w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/ab5f96c8-118f-fef9-2bff-1497b47889ca-768x1152.jpg 768w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/ab5f96c8-118f-fef9-2bff-1497b47889ca-1024x1536.jpg 1024w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/ab5f96c8-118f-fef9-2bff-1497b47889ca-8x12.jpg 8w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/ab5f96c8-118f-fef9-2bff-1497b47889ca-600x900.jpg 600w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/ab5f96c8-118f-fef9-2bff-1497b47889ca-scaled.jpg 1707w\" sizes=\"(max-width: 683px) 100vw, 683px\" \/><\/figure>\n\n\n\n<p>As a result, the JS3 RES certification process could not be finalised without a certified propulsion system. Ultimately, on the 14<sup>th<\/sup>&nbsp;of June, the SOLO system was awarded TC by EASA, enabling the signing and submission of the statement of conformity for the JS3 RES aircraft. Taking into consideration that the Statement of Conformity was only submitted on the 16<sup>th<\/sup>&nbsp;of June, the LBA and EASA demonstrated commendable efficiency in completing the final administrative activities. Kudos to the LBA\/EASA team for their commendable work!<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/ff4af70e-2129-a0a2-c100-2d4970bf7982-1024x683.jpg\" alt=\"\" class=\"wp-image-9038\" srcset=\"https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/ff4af70e-2129-a0a2-c100-2d4970bf7982-1024x683.jpg 1024w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/ff4af70e-2129-a0a2-c100-2d4970bf7982-300x200.jpg 300w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/ff4af70e-2129-a0a2-c100-2d4970bf7982-768x512.jpg 768w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/ff4af70e-2129-a0a2-c100-2d4970bf7982-1536x1024.jpg 1536w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/ff4af70e-2129-a0a2-c100-2d4970bf7982-2048x1366.jpg 2048w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/ff4af70e-2129-a0a2-c100-2d4970bf7982-18x12.jpg 18w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/ff4af70e-2129-a0a2-c100-2d4970bf7982-600x400.jpg 600w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/ff4af70e-2129-a0a2-c100-2d4970bf7982-128x84.jpg 128w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>During the certification process, one significant challenge was to demonstrate compliance with the battery fire propagation requirements. It was required to amend the battery design with reinforcement fire-resistant layers and additional insulation layers to prevent the spread of fire from a single burning cell.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/59cac32e-b21b-6b94-48be-66be71cb4cf3-1024x768.jpeg\" alt=\"\" class=\"wp-image-9039\" srcset=\"https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/59cac32e-b21b-6b94-48be-66be71cb4cf3-1024x768.jpeg 1024w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/59cac32e-b21b-6b94-48be-66be71cb4cf3-300x225.jpeg 300w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/59cac32e-b21b-6b94-48be-66be71cb4cf3-768x576.jpeg 768w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/59cac32e-b21b-6b94-48be-66be71cb4cf3-1536x1152.jpeg 1536w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/59cac32e-b21b-6b94-48be-66be71cb4cf3-16x12.jpeg 16w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/59cac32e-b21b-6b94-48be-66be71cb4cf3-600x450.jpeg 600w, https:\/\/jonker-sailplanes.com\/wp-content\/uploads\/2025\/07\/59cac32e-b21b-6b94-48be-66be71cb4cf3.jpeg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Overall, the successful Type Certification of the JS3 RES aircraft represents a remarkable achievement for the teams of SOLO, Emectric, M&amp;D Flugzeugbau, and&nbsp;JS, showcasing their dedication and perseverance throughout this demanding certification journey.<\/p>","protected":false},"excerpt":{"rendered":"<p>After almost a year-long delay from the original schedule, the JS3 RES aircraft has finally been granted Type Certification (TC) by EASA. This achievement marks a significant milestone for the JS\/M&amp;D and SOLO teams! The journey to obtain EASA certification for the JS3 RES aircraft was incredibly challenging and complex, and the impact of the Covid pandemic did not help either. The decision to choose the propulsion system from SOLO was driven by its classification as a certified stand-alone Class 1 product. &nbsp;Consequently, the JS3 certification program was developed around this certified propulsion system. However, the development and certification process for the propulsion system took significantly longer than expected. The program delays can be attributed to the relative novelty of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":9034,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[317],"tags":[],"class_list":["post-9033","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-latest-news"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/jonker-sailplanes.com\/de\/wp-json\/wp\/v2\/posts\/9033","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jonker-sailplanes.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jonker-sailplanes.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jonker-sailplanes.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jonker-sailplanes.com\/de\/wp-json\/wp\/v2\/comments?post=9033"}],"version-history":[{"count":1,"href":"https:\/\/jonker-sailplanes.com\/de\/wp-json\/wp\/v2\/posts\/9033\/revisions"}],"predecessor-version":[{"id":9040,"href":"https:\/\/jonker-sailplanes.com\/de\/wp-json\/wp\/v2\/posts\/9033\/revisions\/9040"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jonker-sailplanes.com\/de\/wp-json\/wp\/v2\/media\/9034"}],"wp:attachment":[{"href":"https:\/\/jonker-sailplanes.com\/de\/wp-json\/wp\/v2\/media?parent=9033"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jonker-sailplanes.com\/de\/wp-json\/wp\/v2\/categories?post=9033"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jonker-sailplanes.com\/de\/wp-json\/wp\/v2\/tags?post=9033"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}