FS2004/FSX TUIfly Complete AI Package v4. World of AI welcomes you to this TUIfly complete AI package v4 for FS2004 and FSX. Models by AI Aardvark; repaints by Maik Voigt, Juergen Baumbusch; summer 2011 flight plans by Philippe Plein / Alpha-India Group. Important: you need the World of AI Installer to make this package work (WOAINS24.ZIP). By World of AI.