No specific info about version 13.1. Please visit the main page of Active Sky on Software Informer.
Active Sky Next is a weather simulation engine program.
Addon for Flight Simulator X providing various environmental effects.
Provides the ultimate weather experience for flight simulators.
Active Sky Next is a weather simulation package for FSX and Prepar3D.
Active Sky Next For provides various features to Prepar3D.
It helps agents receive, manage and log incoming calls.