Launch from the Baikonur Cosmodrome; landing
120 km northwest of Karaganda.
The docking with space station "Salyut
1" was performed, which had been launched 3 days before. While the Soyuz crew
was able to achieve "soft dock" with Salyut though the "probe and drogue"
docking mechanism, it failed to achieve "hard dock" by securing the docking
collar it was not possible for the crew to enter the station safely.
The mission was aborted, yet the technical problems did not cease and
the Soyuz spacecraft had difficulties detaching from the Salyut 1 space
station. The separating occured after 5,5 hours and several attempts to enter
the spacestation. It was the first night landing in the history of human
spaceflights. During the landing Nikolai
became unconscious due of toxic air in the