There are 8 Quad City Ultralight CHALLENGER II 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 1995 and 2007.
N125WD
2007 Quad City Ultralight CHALLENGER II
High Springs, FL
N778H
2005 Quad City Ultralight CHALLENGER II
Presque Isle, MI
N224WB
2004 Quad City Ultralight CHALLENGER II
Supply, NC
N148LS
1999 Quad City Ultralight CHALLENGER II
Wilmington, DE
N496DL
1997 Quad City Ultralight CHALLENGER II
Yamhill, OR
N2493G
1995 Quad City Ultralight CHALLENGER II
Newland, NC
N204DC
Quad City Ultralight CHALLENGER II
Zolfo Springs, FL
N392CP
Quad City Ultralight CHALLENGER II
Kansas City, MO