The Akaflieg Berlin B 9 was a twin-engined experimental aircraft, developed by Akaflieg Berlin and Flugtechnische Fachgruppe in the 1940s. It was designed to examine the benefits of having a pilot in a prone position. The aircraft was flown in 1943, but was eventually abandoned. Only 1 prototype was ever built.
Info: Wikipedia
http://en.wikipedia.org/wiki/Akaflieg_Berlin_B_9
Profile: Wings Palette
http://wp.scn.ru/en/