Encyclopedia Astronautica
Soyuz 18


Crew: Klimuk, Sevastyanov. Manned two crew. Docked with Salyut 4. Backup crew: Kovalyonok, Ponomaryov.

Manned two crew. Docked with Salyut 4. Joint experiments with the Salyut scientific orbital station. Recovered July 26, 1975 14:18 GMT. Landed 56 km E Arkalyk.

AKA: Kavkas (Caucasus ).
First Launch: 1975.05.24.
Last Launch: 1975.07.26.
Duration: 62.97 days.

More... - Chronology...


Associated People
  • Ponomaryov Ponomaryov, Yuri Anatolyevich (1932-2005) Russian engineer cosmonaut, 1972-1983. Was married to astronaut Valentina Ponomaryova. More...
  • Sevastyanov Sevastyanov, Vitali Ivanovich (1935-2010) Russian engineer cosmonaut. Flew on Soyuz 9, Soyuz 18. More...
  • Kovalyonok Kovalyonok, Vladimir Vasilyevich (1942-) Belarusian pilot cosmonaut. Flew on Soyuz 25, Salyut 6 EO-2, Salyut 6 EO-6. More...
  • Klimuk Klimuk, Pyotr Ilyich (1942-) Belarusian pilot cosmonaut. Flew on Soyuz 13, Soyuz 18, Salyut 6 EP-3. More...

Associated Countries
Associated Spacecraft
  • Soyuz 7K-T Russian manned spacecraft. 23 launches, 1972.06.26 (Cosmos 496) to 1981.05.14 (Soyuz 40). More...

See also
Associated Manufacturers and Agencies
  • MOM Russian agency overseeing development of spacecraft. Ministry of General Machine Building (Moskva, Russia), Moscow, Russia. More...

Associated Programs
  • Salyut The world's first space station, developed in one year by the Soviet Union on the basis of Chelomei's Almaz station, in an attempt to upstage the American Skylab after the loss of the moon landing race to the Americans. More...

Associated Launch Sites
  • Baikonur Russia's largest cosmodrome, the only one used for manned launches and with facilities for the larger Proton, N1, and Energia launch vehicles. The spaceport ended up on foreign soil after the break-up of Soviet Union. The official designations NIIP-5 and GIK-5 are used in official Soviet histories. It was also universally referred to as Tyuratam by both Soviet military staff and engineers, and the US intelligence agencies. Since the dissolution of the Soviet Union the Russian Federation has insisted on continued use of the old Soviet 'public' name of Baikonur. In its Kazakh (Kazak) version this is rendered Baykonur. More...

Soyuz 18 Chronology


1975 May 24 - . 14:58 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511.
  • Soyuz 18 - . Call Sign: Kavkas (Caucasus ). Crew: Klimuk; Sevastyanov. Backup Crew: Kovalyonok; Ponomaryov. Payload: Soyuz 7K-T s/n 40. Mass: 6,825 kg (15,046 lb). Nation: USSR. Related Persons: Klimuk; Sevastyanov; Kovalyonok; Ponomaryov. Agency: MOM. Program: Salyut. Class: Manned. Type: Manned spacecraft. Flight: Soyuz 18. Spacecraft: Soyuz 7K-T. Duration: 62.97 days. Decay Date: 1975-07-26 . USAF Sat Cat: 7818 . COSPAR: 1975-044A. Apogee: 230 km (140 mi). Perigee: 186 km (115 mi). Inclination: 51.7000 deg. Period: 88.60 min. Summary: Manned two crew. Docked with Salyut 4. Joint experiments with the Salyut scientific orbital station. The crew remained aloft aboard the station during the Apollo-Soyuz Test Project joint flight..

1975 July 26 - .
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