The Schempp-Hirth SHK was a German single-seat high-performance Open Class sailplane of the 1960's. A Schempp-Hirth SHK sailplane came third in the 1965 World Gliding Championships. The Schempp-Hirth SHK had a top speed of 200 kmh in smooth air. Found on http://www.probertencyclopaedia.com/browse/IS.HTM