Raising the bar in high-fidelity weather simulation

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Choose the right weather engine for the job

Active Sky Evolution

Designed for FS9


  • Dual FS9/FSX compatibility
  • Previous legacy release (see ASNext for latest product)
  • Multiple weather depiction modes
  • Enhanced mapping and planning
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Active Sky Next

For FSX, FSX:SE and Prepar3D v2.5+


  • Latest release
  • Expanded data resolution and coverage
  • Realistic radar technology
  • Synchronized cloud effects
  • Enhanced air effects
  • New microburst, wake turbulence, wind shear and general turbulence effects
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For FS9 and FSX


  • Multimedia passenger carriage experience
  • Complete manual or automatic control of connection, jetway, doors, boarding, deplaning and more
  • Real-time dynamic monitoring and simulation of passenger health and approval rating
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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