General improvements in performance and stability throughout.

New Active Runway Data, showing the active runway in use based on current wind conditions via Map pop-ups, Conditions Screen METAR text and Briefing text.

New Visibility Depiction Enhancements including new low and high altitude visibility horizon distance adjustment options.

New Air Effect Enhancements including Low-Interval Smoothing for a more organic and realistic feel to updrafts, downdrafts, thermals, gusts, sheer, turbulence and microbursts.

Updated XGauge radar and weather display gauge, now in 64-bit.

Redesigned 64-bit ASConnect simulator interface with tight P3Dv4 integration.

You can use any graphics add-on(s) with ASP45, but dynamic texture reloads require the ASP4+ASCA combination. ASCA includes cloud textures, sky textures, and 3D cloud models to transform your skies, while also incorporated Real-Time Dynamic Cloud and Sky Textures! This enables realistic weather-influenced texture variation that reloads throughout your flight without needing to shut down and restart your simulator. In-Cloud Motion Effects, Weather Scenarios System, Airborne Weather Radar, P3D Visibility Smoothing and Volumetric Fog Integration, Navigraph Data Integration, Map-based Custom Weather Editing System, Universal Web Companion App, Mapping System and a High-Latitude Cloud Squeeze Fix are just a few of the advanced features included in the core Active Sky platform.ĪSP4 also incorporates full integration with Active Sky Cloud Art ( ASCA), our graphics add-on for both FSX and P3D.

Use this page only if you are completely new to this product and not upgrading from a previous HIFI Tech product, then use this pageĪctive Sky for Prepar3D v4 ( ASP4) represents 17 years of weather simulation engine development! Building on the Active Sky weather engine experience, ASP4 brings a new 64-bit ASConnect simulator interface, 64-bit XGauge, new Air Effect enhancements, new Visibility Depiction enhancements and more, all specifically designed for Prepar3D v4!

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