VATSIM or IVAO data every minute. FIR borders: VATSpy Data Project (CC BY-SA 4.0). Rain: RainViewer. VOR/NDB: OurAirports. Route lines: waypoints and airways from FlightGear / X-Plane 2013 data (GPL), approximate; current AIRAC data is licensed. Map: © OpenStreetMap. For simulation.
