Courtesy of Carl J. Bobrow and Sergej Sikorsky;
Light development of the S-11, proposed by pilot G.V.Yankovsky (first on the left). It was the first aircraft of original Russian design to perform Nesterov Loop (G.V.Yankovsky). The same pilot set Russian altitude record in 1913, 3680m.
|Engines||1*80hp Rhone, later Gnome|