Soyuz-U | Soyuz T-4
Launch Successful
L - -- : -- : -- : --
Instantaneous launch window.
Launch Window
March 12, 1981, 7 p.m. - March 12, 1981, 7 p.m.
Instantaneous launch window.
March 12, 1981, 7 p.m. - March 12, 1981, 7 p.m.
Soyuz T-4 was the 14th mission to visit the Salyut 6 space station and carried the EO-6 expedition, which was the final long-duration crew for the station. The mission began on March 12, 1981, 19:00:11 UTC, launching Commander Vladimir Kovalyonok and Flight Engineer Viktor Savinykh into orbit. They docked with the station the next day. During their 74-day stay on the station, EO-6 crew conducted various experiments, and were visited by Soyuz 39 and Soyuz 40 crews. The mission concluded with a safe landing back on Earth on May 26, 1981, 12:37:34 UTC.
Soyuz T-4 was a Soyuz spacecraft which launched on 12 March 1981 19:00 UTC. It transported two cosmonauts of EO-6 to Salyut 6. The crew was Vladimir Kovalyonok and Viktor Savinykh.
Soyuz T Details
Date of
Birth: March 3, 1943
Age: 83
Date of
Birth: March 7, 1940
Age: 86
The Roscosmos State Corporation for Space Activities, commonly known as Roscosmos, is the governmental body responsible for the space science program of the Russian Federation and general aerospace research. Soyuz has many launch locations the Russian sites are Baikonur, Plesetsk and Vostochny however Ariane also purchases the vehicle and launches it from French Guiana.
INFO WIKIOfficially described as "Satellite-Internet Technology Demonstration Satellites". Probably 4 test satellites for the Chinese state-owned LEO commu…
A batch of 24 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Amazon Leo, formerly known as Project Kuiper, is a mega constellation of satellites in Low Earth Orbit that will offer broadband internet access, thi…
A batch of 29 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Chinese classified satellite claimed to be for communication technology test purposes. Actual mission not known.
A batch of 24 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
A batch of 29 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Shenzhou 23 will be the 23rd flight of the Shenzhou program.
12th test flight of the two-stage Starship launch vehicle. Maiden Flight of Starship V3. The flight test’s primary goal will be to demonstrate eac…
Synthetic aperture radar satellite for Japanese Earth imaging company Synspective.