ACTIVE SKY Weather solutions for P3D, X-Plane and FSX

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Choose the right product for the job

Active Sky XP

HiFi's first weather engine for the X-Plane platform!


  • Newly Released!
  • Requires X-Plane 11.26 or later, 64-bit Windows Version
  • Requires Windows 7 or later, 64-bit Version
  • HiFi's first weather engine for the X-Plane platform
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Active Sky for Prepar3D v4


  • Compatible with P3D v4
  • Enhanced visibility depiction for P3D v4
  • New 64-bit interface and 64-bit XGauge
  • Also includes AS16 for P3D v3 license
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Active Sky Cloud Art

Transform your Skies!


  • Real-Time Texture Dynamics (requires AS16 / ASP4)
  • Realistic Cloud and Sky Textures
  • Brand new 3D Cloud Structures with many variations
  • Supports P3D v3, P3D v4, FSX and FSX:SE
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AS16 for FSX

Previous Generation Wx Engine for FSX and FSX:SE


  • Compatible with FSX Boxed and FSX:Steam Edition
  • In-Cloud Motion Effects
  • XGauge Wx + Airborne Radar Simulation
  • Advanced Weather Engine for the FSX Platform
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About US

Refining Weather Accuracy and Realism since 2000!
Realism and function over everything else

Active Sky is a comprehensive weather simulation engine for FSX, P3D and now the X-Plane desktop flight simulator platforms. Over 20 years in development, Active Sky continues its ongoing journey in an ongoing quest to improve the simulated aviation weather experience for everyone. HiFi is comprised of pilots, programmers and artists who share a common passion for aviation, weather and simulation. We strive for the most realistic weather experience possible, always prioritizing function and fidelity above all else. We love what we do and thank all our customers and supporters for enabling us to continue to improve and expand Active Sky!

  • Innovation

    We push the boundaries of what is possible

  • Integrity

    Our values include honesty, openness and collaboration

  • Customer Focused

    Our customers enable us to do what we love, and we do whatever we can to give them the best experience possible

  • Commitment

    We are committed to always improving our products, our company, and our customer service