Active Sky Advanced Weather Simulation

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Choose the right product for the job

ActiveSky P3D

New Wx Engine for P3Dv5 and P3Dv4!


  • Supports P3D v4.5 HF3, P3D v5.0 HF2, or P3D v5.1 HF1+
  • Includes EA-mode integration features (check details for limitations)
  • Upgrade discount version for previous ASP4 or AS2016 (FSX or P3D) licensed customers
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Active Sky XP

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


  • New Air Effects including turbulence
  • Requires X-Plane 11.26 or later (Windows x64)
  • Requires Windows 7 or later, 64-bit Version
  • Advanced weather for X-Plane!
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Active Sky Cloud Art

Transform your Skies!


  • Real-Time Texture Dynamics (requires AS16 / ASP4 / ASP3D)
  • Realistic Cloud and Sky Textures
  • Brand new 3D Cloud Structures with many variations
  • Supports P3D v3, P3D v4, P3Dv5 (non EA-mode), 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