Flightsim FS2004 FS9 Custom Buildings 1 for EZ-Scenery Compiled by Sidney Schwartz sidney. schwartz_at_comcast. net What is this? Flightsim FS2004 FS9 tailored buildings are scattered throughout various object libraries that are associated with specific cities. Term of use For use exclusively in freeware scenery created for use in Flightsim FS2004 FS9. Thank you.