XHTlabs arbeitet an einer PREPAR3D v4 Version von Prag und hat dazu eine Public BETA veröffentlicht. Neben einem nativen Installer (der die Daten aus dem Internet lädt), gibt es einige Fixes, Dynamic Lights, und ein funktionierender Airport Controller.
- Extremely accurate buildings within the airport area
- Airport Controller
- Ground polygons based on pure FSX technology
- Precise night lighting
- Precise ground marking based on a real drawing sheet of the airport
- Custom approach lights
- Ambient animations (moving car traffic, rotating billboards, etc…)
- Low Visibility Procedures implemented
- Custom animated windsocks
- Low visibility procedures
- Windsock, PAPI Lights
