Soyuz T-4

Soyuz T -4 is the mission name for the flight of a Soviet Soyuz spacecraft to the Soviet space station Salyut 6 The sixth and final long-term occupation of the station, the mission carried the designation Salyut 6 EO - sixth It was the 15th visit of a manned Soyuz spacecraft in this space station and the 62nd flight of Soviet Sojusprogramm.

Crew

  • Vladimir Vasilyevich Kovalyonok ( third space flight), Commander
  • Viktor Petrovich Savinykh ( first space flight), flight engineer

Also Kovalyonok reaching the Soviet record of three flights into orbit.

Backup crew

  • Vyacheslav Dmitrievich Sudow, Commander
  • Boris Dmitrievich Andreyev, Flight Engineer

As a result of the training, the original backup crew Kovalyonok / Savinykh was selected as the first team.

Mission overview

The sixth and final core team (EO -6) was brought to the station Salyut 6 by Soyuz T -4. The fifth team had consisted of three cosmonauts, but was only a relatively short time aboard the space station have been the sixth team consisted again of only two astronauts.

When pairing, there was a delay because the on-board computer "Argon " reported that the contact with the ground station TsUP was interrupted.

During their stay Kovalyonok and Savinykh received the visiting teams of Soyuz 39 and Soyuz 40 with cosmonaut from Mongolia and Romania.

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