There are 3 Staudacher Aircraft S600 F aircraft on the U.S. registry that TailWiki has a page for. Every one is built from the public FAA record — year, serial, engine, home base, and registration history — and owners and pilots add photos, trips, and stories on top. The ones listed here were built between 2004 and 2006.
N600SF
2006 Staudacher Aircraft INC S600 F
Phoenix, AZ
N252CW
2004 Staudacher Aircraft INC S600 F
Washington, DC
N603SA
2004 Staudacher Aircraft INC S600 F
Canton, MI