TsAGI Tests ‘Slon’ Aircraft Enhanced Model (Russian replacement for An 124)

Slon, the heavy transport aircraft, is an advanced civil aviation project that TsAGI is working on. Currently, TsAGI is enhancing the aerodynamic layout and is trying new technological solutions. The activities are carried out under the state contract with Ministry of Industry and Trade of the Russian Federation under Technologies—Transport—2 R&D.

http://tsagi.ru/en/pressroom/news/6068/