Launch from Baikonur; landing 120 km northwest of Karaganda.

Docking on spacestation "Salyut 1", which had been launched 3 days before; no transfer of cosmonauts into the spacestation because of technical problems (faulty hatch of the Soyuz-spacecraft); separating after 5,5 hours and several attempts; first night landing in the history of human spaceflights; during the landing Rukavishnikov became unconscious due of toxic air in the spacecraft.