ASP4 for P3D 4.3 now available

Latest News


Choose the right product for the job


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
Learn more

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
Learn more

AS16 for P3D v3

Previous Generation Wx Engine for P3D v3


  • Compatible with P3D v3.2, v3.3, v3.4
  • P3D Visibility Smoothing and Volumetric Fog Integration
  • In-Cloud Motion Effects
  • Also includes ASP4 license (for P3D v4)
Learn more

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
Learn more


Want to share a testimonial or story about using Active Sky? Please click on the Community button above!

About US

Refining Weather Accuracy and Realism since 2002!

We are 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