FSX/P3D v3,v4 – Great Lakes. The Great Lakes Sport Trainer is an American biplane trainer and aerobatic aircraft. It was originally produced in large numbers before the company building it went bankrupt in the Great Depression in 1933. Owing to its continuing popularity, however, it was eventually placed back into production in the 1970s and again in 2011 by WACO Classic Aircraft.
FSX/P3D v3,v4 upgrade by A.F.Scrub