This modpack features new units, new unit graphics, new resources, new tech and promotions, new building, some balance change and a new requirement system.
Previous versions should be deleted before installing a new version but finish your current game first !
Clear the mod's cache to avoid any conflict :
Drive letter:\Users\user name\Documents\My Games\Sid Meier's Civilization 5\cache
To see the propeller on the aircrafts you need to put the folder "Edited_Aim_State" to
"C:\Program Files (x86)\Steam\steamapps\common\sid meier's civilization v\resource\Common"