Time 19 minutes.
Time 22 minutes.
Planned Soyuz flight to Mir. Main purpose was to provide spaceflight experience to Bachurin and Borodai, who had been selected as back-up crew of the first manned Buran flight (the original back-up crew of Levchenko and Shchukin both died in 1988). Cancelled in cut-backs after fall of the Soviet Union.