There are 3 Quad City CHALLENGER I 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.
N1892C
Quad City CHALLENGER I
Greenfield, MO
N5557E
Quad City CHALLENGER I
Andersonville, TN
N69YE
Quad City CHALLENGER I
Mariposa, CA