Planned but cancelled manned flight. Crew dissolved when Lazarev failed physical in early 1981.
Manned three crew. Docked with Salyut 6. Tested the improved transport ship of the 'SOYUZ T' series; transported to the Salyut-6 orbital station a crew consisting of L D Kizim, O G Makarov and G M Strekalov to carry out repair and preventive work and scientific and technical investigation and experiments. Recovered December 10, 1980 09:26 GMT.
Manned three crew. Docked with Salyut 7. Transported a crew consisting of ship's commander L D Kizim, flight engineer V A Solovyov and cosmonaut-research O Y Atkov to the SALYUT-7 orbital station to conduct scientific and technical studies and experiments. Returned crew of Soyuz T-11 to Earth. Recovered April 11, 1984 10:50 GMT. Landed 160 km E Dzehezkazgan.
Transported to the Mir orbital station a Soviet-Afghan crew comprising the cosmonauts V A Lyakhov, V V Polyakov and A A Momand (Afghanistan) to conduct joint research and experiments with the cosmonauts V G Titov and M K Manarov. Returned Manarov, Titov (Soyuz TM-4), Chretien (Soyuz TM-7) to Earth. Initial orbit 195 X 228 km at 51. 57 deg. Maneuvered to a 235 x 259 km orbit, then docked with Mir at 05:41 GMT on 31 August at its 339 x 366 km orbit. Moved from aft to forward port 8 Sept 88. Undocked 03:33 GMT 21 December 1989. Revised software installed as a result of TM-5 abort overloaded computer. Landing planned for 06:48 aborted. Backup program used. Orbital Module retained through retrofire. Recovered December 21, 1988 09:57 GMT. Landed 180 km SE Dzhezkazgan.
Mir Expedition EO-15. Docked at the Kvant module on January 10 at 11:15 GMT. Transported to the Mir orbital station of a crew comprising the cosmonauts V M Afanasev, Y V Usachev, and V V Polyakov for the fifteenth main expedition. The Soyuz TM-18 descent module landed 110 km north of Arkalyk in Kazakhstan at 10:32:35 GMT on July 9.