Great Planes RealFlight 7.5 RC Simulator Upgrade for Versions G4, G5, and 6 Upgrade any edition of RealFlight G4, G5 or 6 software to RealFlight's latest features Over 130 different aircraft, including multi-rotor designs Over 40 PhotoField and 3D flying sites to explore Multi-level Challenges with game-like scoring, including Multi-Rotor Scavenger Hunt Includes RealFlight 7.5 Upgrade disc only