There are 3 Markwell Stanley G MARKWELL SPECIAL 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 2007 and 2009.
N499WS
2009 Markwell Stanley G MARKWELL SPECIAL
Denver, CO
N149WS
2008 Markwell Stanley G MARKWELL SPECIAL
Port Hadlock, WA
N747TV
2007 Markwell Stanley G MARKWELL SPECIAL
Hampstead, MD