ATTENTION! you must have installed SP21. DOWNLOAD THE PLANE FROM SIMAVIATION OR FSX DOWNLOAD AREA 2. EXTRACT THE FILE3. COPY AND PASTE THE FOLDER TO C: PROGRAM FILES, MICROSOFT GAMES, FLIGHT SIMULATOR X, SIMOBJECT, AIRPLANES.Dowload SP2 or 1 from fsx download area.if you have any questions send me a message. cessna, citation, freeware, fsx, plane