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ANNOUNCING Our GLJ Model 25 CSE Business Jet for Microsoft® Flight Simulator
Our new Gates Learjet Model 25 business jet addon for Microsoft® Flight Simulator 2020 (compatible with MSFS 2024) is currently in its final testing phase and will be released on September 9. We are also working on the customization package that will allow users to create their own aircraft liveries among other features. Our GLJ Model 28 addon for MSFS is still in production and will be released at a later date. Please stay tuned for more product announcements.
Download the flight manual
(Rev. 01.00, updated 07/02/2025, English version, 307 pages, 78 MB, PDF format)
Software features may differ from our Prepar3D® versions. Please note that Xtreme Prototypes has ceased producing new addons for FSX.
GLJ Model 25 v4 Business Jet for Prepar3D®
The definitive version of our classic Gates Learjet Model 25 business jet addon for Prepar3D® includes revised exterior/interior 3D models with additional features and animations, new PBR materials and textures, 20 new liveries, new aircraft interiors, instrument panel physical light effects, dimmable cockpit and cabin lights, 44 visual effects, over 120 sound effects including new cockpit and cabin sounds, a new sound system, new Learjet custom aircraft systems including a fully simulated anti-ice system with visual effects, and two different cockpit configurations with support for third-party GPS/GNS/GTN systems and radars.
Download the XP GLJ Model 25/28 v4 Flight Manual
(Rev. 01.02, updated 07/24/2023 - 320 pages, 64 MB, PDF format)
Software features are subject to change.
GLJ Model 28 Business Jet for Prepar3D®
Like our GLJ Model 25 v4 addon, our classic Gates Learjet Model 28 simulation for Prepar3D® includes highly detailed exterior/interior 3D models, PBR materials and textures, 20 liveries, instrument panel physical light effects, dimmable cockpit and cabin lights, 40 visual effects, over 120 sound effects, custom aircraft systems including a fully simulated anti-ice system with visual effects, and two different cockpit configurations with support for third-party GPS/GNS/GTN systems and radars.
Download the XP GLJ Model 25/28 v4 Flight Manual
(Rev. 01.02, updated 07/24/2023 - 320 pages, 64 MB, PDF format)
Features are subject to change.
