This is the Great Planes RealFlight 6 Heli Mega Pack. **Heli Mega Pack is compatible only with RealFlight 6 and above.** FEATURES: Take the sticks of the Synergy N5C, fly Curtis Youngblood"s Rave ENV90, ENV 700 and 450 as well as glow and electric versions of the Thunder Tiger Raptor G4 Many helis that have never been in any version of RealFlight before, and much more INCLUDES: Over 45 helicopters;* Agusta A109 Align T-Rex 500 Avant Aurora Avant Aurora 3D Bergen Intrepid 90 Bergen Intrepid Gasser EB Boeing AH-64 Apache Boeing CH-46 Sea Knight Micro Curtis Youngblood Rave ENV 90 Curtis Youngblood Rave ENV 700 Curtis Youngblood Rave 450 Dolphin (.46) Dolphin 3D (.46) Finch (.049) Foiler .60 Gaui X5-FES Heli-Max Axe CX Micro Heli-Max Kinetic 50 Heli-Max Kinetic 50 (Trainer) Heli-Max MX400 Heli-Max MX450 XS Heli-Max Novus CP Nano Heli-Max Novus 125 CP Heli-Max Novus 125 FP Hind Mi-24 Impala (.30) Impala (.30 Trainer) KDE Direct 700 Miniature Aircraft Fury Extreme Miniature Aircraft Ion-X Miniature Aircraft Stratus 90 RAH-66 Comanche RJX Hobby X-treme 90 Robinson R22 Skyartec Wasp 200XE V4 Spritzer (4-stroke) Sun Dog (Sport .60) Synergy N5 Synergy N5C Synergy N9 Thunder Tiger Mini Titan Thunder Tiger Raptor G4 E720 Thunder Tiger Raptor 90 G4 Thunder Tiger Raptor 90SE Thunder Tiger X50 (Belt-Drive) Thunder Tiger X50T (Torque-tube) Watt Not EP INCLUDES: Great Planes RealFlight 6 Heli Mega Pack Disc REQUIRES: System Requirements; For Basic Performance, Great Planes RealFlight 6 Flight Simulator or Above DVD Drive Microsoft Windows XP, Vista, Windows 7 or Windows 8 700MB Hard Drive Space For Optimum Performance, Dual Core 2.4GHz CPU 3D Accelerated Video with 512 MB Dedicated Video Memory (Pixel Shader 3.0 Support) *Local administrator access required COMMENTS: *Some helis have appeared in ealier Expansion Packs jxs 10/07/11 ir/jxs