Soyuz 11A511L – Energia Family: Soyuz meters Length: 50 meters Diameter: 2.95 meters Launch Mass: 300 Low Earth Orbit Capacity: 5500 The Soyuz 11A511L was manufactured by Energia with the first launch on 1971-08-12. Soyuz 11A511L has 0 successful launches and 0 failed launches with a total of 0 launches. The Soyuz was a Soviet expendable carrier rocket designed in the 1960s by OKB-1 and manufactured by State Aviation Plant No. 1 in Kuybyshev, Soviet Union. It was commissioned to launch Soyuz spacecraft as part of the Soviet human spaceflight program, first with 8 uncrewed test flights, followed by the first 19 crewed launches. Manufacturer Energia is a Government RUS entity that was founded in 1946 and is administered by . Energia has 0 successful launches and 0 failed launches with a total of 0 launches.