"15"^^ . "The BFW M.20 (also known as the Messerschmitt M 20 after the designer's surname) was a German single-engine, high-wing monoplane 10-seat passenger transport aircraft, developed in the late 1920s and early 1930s. Deutsche Luft Hansa used it throughout the 1930s on a variety of routes."@en . . . . .