What is Active sky?
Available for several simulator platforms, Active Sky offers many features for discerning sim pilots
Advanced Realism-Based Weather
Made by pilots, weather enthusiasts and aviation fans, Active Sky is designed to provide the most comprehensive and realistic weather experience for desktop flight simulation.
Global high-fidelity weather data
Using METAR, TAF, SIGMET, AIRMET, Global air model data, tropical storm data, snow depth data and more, with advanced weather data synthesis and interpretation.
Historical Weather with Playback
Dynamically changing historical weather according to real historical temporal changes is available in hourly archives.
Air Effects, Weather tools and more
Turbulences, drafts, gusts, mapping, planning, briefing, voice features, scenarios, comprehensive API, mobile web companion app, customizable options and much more is included!
Choose your Product
Active Sky weather engine products are custom-designed for each simulator
Active Sky FS
EUR19.99
- On Sale Now - Regular Price 24.99
- Price recently reduced!
- Designed for FS2020 and FS2024
- Active Air Effects with Turbulence and more
- Active Sky or MSFS Live Weather with Passive Mode!
- Advanced Historical Weather with Playback
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Active Sky XP 12
EUR23.99
- On Sale Now - Regular Price 29.99
- Designed for XP12
- Active Air Effects
- Advanced Historical Weather with Playback
- Requires X-Plane 12.04 or later
- Requires Windows 7+ x64
- Advanced Weather for X-Plane 12!
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ActiveSky P3D
EUR23.99
- On Sale Now - Regular Price 29.99
- Supports P3D v4.5 HF3+ and P3D v5.0 HF2+ (includes 5.1, 5.2, 5.3, 5.4 with latest hotfixes)
- Includes Volumetric Cloud Integration Features (check details for limitations)
- Includes Advanced Radar, Air Effects and more
- Comprehensive Localized Weather Areas
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Active Sky P3D v6
EUR31.99
- On Sale Now - Regular Price 39.99
- For the Latest Version of the P3D Simulator
- Integrates with Prepar3D v6's New Atmospheric Engine
- Compatible with Volumetric and Legacy Clouds
- Includes Radar for Legacy Clouds
- Advanced Weather for Prepar3D v6!
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Active Sky XP
EUR23.99
- On Sale Now - Regular Price 29.99
- Air Effects Including Turbulence and more
- Requires X-Plane 11.26 or later
- Requires Windows 7 or later, 64-bit
- Comprehensive, Advanced Weather for X-Plane 11 PC 64 bit
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Active Sky Cloud Art
EUR15.99
- On Sale Now - Regular Price 19.99
- Real-Time Texture Dynamics with AS
- Realistic Cloud and Sky Textures
- Brand new 3D Cloud Structures
- Supports P3D v3, P3D v4, P3Dv5 (non EA-mode), P3D v6 (legacy clouds), FSX and FSX:SE
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AS16 for FSX
EUR23.99
- On Sale Now - Regular Price 29.99
- 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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Latest News
ASFS SU2 Update Officially Released!
Service Update 2 (SU2), has been officially released! SU2 contains various improvements throughout including a new option for ground snow, new direct wind control, new cloud density adjustments, historical time setting handling, turbulence improvements, improved density control for reduced cloud patterning/graininess, and much more. SU2 also brings new MSFS2024 SU2+ compatibility. Download the update from[…]
Happy Holidays from HiFi Simulation Technologies!
As 2024 draws to a close, we want to take a moment to express our gratitude, reflect on this year’s achievements, and share our exciting plans for the upcoming year. First and foremost, we extend a sincere thank you to our customers, supporters, development partners and dedicated staff. Your support is the bedrock of our[…]
ASFS SU1 Update with MSFS2024 Support!
NOTE: For the latest information and new early beta builds, please see our ASFS forum! Service Update 1 (SU1), B9115, is NOW AVAILBLE and contains MSFS2024 support! We’re pleased to relay the great news that ASFS is now dual-compatible with MSFS2020 and MSFS2024 without any upgrade fee for previous ASFS users! Thanks to all those[…]
ASFS Price Drop!
Active Sky for FS is now just 24.99 EUR (was 29.99 EUR)! Upgrade your flight sim experience for less. Get more info at the ASFS product page!
ASXP12 B9057 Update Official
ASXP12 B9057 is now official. This new version contains new SayIntentions.AI integration and API, features and fixes some issues. Download now from our downloads page! Changelog: Update 101824 – B9057 (12.0.9057.19381) Added new SayIntentions.AI specific integration and a new option to enable/disable this (general options, default on) – See sayintentions.ai for more information about this[…]
New SayIntentions.AI Integration
We’re excited to announce new integration with SayIntentions.AI for Active Sky FS! This integration provides full accurate and detailed active ASFS weather data to SI.AI enable enhanced realism and a cohesive Weather + ATC experience during your ASFS + SI.AI flights. SayIntentions.AI is a new AI-based ATC add-on that provides very realistic ATC for discerning[…]
Upcoming Maintenance
We are planning to further upgrade several core network/cloud system resources during the following maintenance window: August 29, 2024 05:00-22:00 GMT (Z) See the following support article for more information: https://hifisimtech.zendesk.com/hc/en-us/articles/24829644001943-Planned-Network-Maintenance-August-29
Planned Network Maintenance August 14-15
We are planning to upgrade several core network/cloud system resources during the following maintenance window: August 14, 2024 20:00 GMT (Z) through August 15, 2024 08:00 GMT (Z). During this 8-hour window, we expect maintenance to last approximately 4 hours with an additional 4 hours reserved in case of any issues. While maintenance is active,[…]
ASFS B8927 Officially Posted!
Our latest official update for ASFS has been posted! This new update brings new turbulence features including full cloud turbulence for all coverage and cloud types, in any depiction mode, as well as many other additions, adjustments and fixes. Thanks to those who participated in the beta process, and thanks for all the great feedback[…]
ASFS B8888 Open Beta Available
A new open beta update is available for those who wish to participate. This is not an official release and should be used at your own risk, with bugs and issues to be expected in non-official versions. You can download the update from the downloads page. Changelog Update 050224 – B8888 (1.0.8888.33873) Re-designed turbulence and[…]
Testimonials
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About US
Refining Weather Accuracy and Realism since 2000!
Active Sky is a comprehensive weather simulation engine for X-Plane, Prepar3D, FSX and now the MSFS2020 flight simulator platforms. With over 24 years of innovative award-winning 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