Encyclopedia Astronautica
Jaehn



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Jaehn
Credit: www.spacefacts.de - www.spacefacts.de
Jaehn, Sigmund Werner Paul 'Sig' (1937-) German pilot cosmonaut. Flew on Salyut 6 EP-4. First German astronaut.

Sigmund Jaehn was born to a working-class family. In 1943, he entered primary school in Rauthenkranz. In 1951, he graduated from the 8th grade, and began studying printing. At the Falkenstein Printing House in Klingenthal he received his printer's diploma. In 1955, based on an appeal of the Union of Free German Youth, he entered the National People's Army of the GDR and was enlisted as a cadet at the Franz Mehring Higher Air Force Officer School. After graduation in 1958, he served with the Air Force of the National People's Army of the GDR. In 1970, he graduated from the Gagarin Air Force Academy in the USSR, and continued service in the Air Force of the GDR as a pilot-inspector. Fluent in Russian, he translated into German a number of Soviet military and political publications.

In 1976 he was accepted into the Soviet cosmonaut unit (1976 Intercosmos Group # 1) together with Eberhard Koellner. He underwent the full general space preparation course under the Intercosmos program for co-operation with socialist countries. He made his space flight from August 26 through September 3, 1978, as the research cosmonaut of the space ship Soyuz-31 (call sign - Yastreb-2) together with Soviet Valery Bykovsky. The cosmonauts worked onboard the orbital complex Salyut-6 - Soyuz -29 - Soyuz -30 together with Vladimir Vasilyevich Kovalenok and Alexsander Sergeyevich Ivanchenkov. Their stay in space was 7 days 20 hours 49 minutes and 4 seconds.

After the flight he returned home to continued service in the National People's Army of the GDR. From 1980 to 1983 he was the Assistant to the Chief of the Directorate of the GDR Air Force. After the merger of two Germanies he was retired from military service, and until 1993 was not engaged in any work. Since 1993 he has worked as a representative of Germany to the European Space Agency.

Awards: Hero of the Soviet Union. Hero of the German Democratic Republic. Awarded Order of Lenin (USSR), Order of Karl Marx (GDR), other German Orders and Medals.

Married, two children and grandsons.

Copyright Alexander Zheleznyakov, 1998.

Birth Place: Rautenkrantz.
Status: Inactive.
Born: 1937.02.13.
Spaceflights: 1 .
Total time in space: 7.87 days.

More... - Chronology...


Associated Countries
See also
  • Cosmonaut Category of persons who have been trained for spaceflight in Russia. More...
  • Intercosmos Group - 1976 Requirement: pilots from friendly socialist countries to visit Salyut space stations for propaganda purposes on Soyuz ferry-exchange missions. More...

Associated Flights
  • Salyut 6 EO-2 Crew: Ivanchenkov, Kovalyonok. Record flight duration. Manned two crew. Docked with Salyut 6. First transfer of a Soyuz from the aft port to the front port of a space station. Backup crew: Lyakhov, Ryumin. More...
  • Salyut 6 EP-4 Crew: Bykovsky, Jaehn. First German astronaut. Manned two crew. Docked with Salyut 6. Mission to swap Soyuz lifeboats docked to station. Backup crew: Gorbatko, Koellner. More...

Associated Manufacturers and Agencies
Associated Programs
  • Salyut 6 Mishin was authorised in December 1973 to build an improved design DOS-5 version of the Salyut station using Almaz facilities. Mishin's bureau borrowed the two docking port configuration of Chelomei's Almaz OPS-2 This station's second docking port would allow rotation of crews and resupply/refueling using unmanned Progress spacecraft. More...

Jaehn Chronology


1976 November 25 - .
  • Intercosmos Cosmonaut Training Group selected. - . Nation: USSR. Related Persons: Hermaszewski; Jaehn; Jankowski; Koellner; Pelczak; Remek. Summary: Training group of potential 'guest cosmonauts' for propaganda flights to the Salyut space station. The 'guests', from states allied to the Soviet Union, would be flown on Soyuz lifeboat changeout missions to the station..

1978 August 26 - . 14:51 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Soyuz 31 - . Call Sign: Yastreb (Hawk ). Crew: Bykovsky; Jaehn. Backup Crew: Gorbatko; Koellner. Payload: Soyuz 7K-T s/n 47. Mass: 6,800 kg (14,900 lb). Nation: USSR. Related Persons: Bykovsky; Jaehn; Gorbatko; Koellner. Agency: MOM. Program: Salyut 6. Class: Manned. Type: Manned spacecraft. Flight: Salyut 6 EP-4; Salyut 6 EO-2. Spacecraft: Soyuz 7K-T. Duration: 67.84 days. Decay Date: 1978-11-02 . USAF Sat Cat: 11010 . COSPAR: 1978-081A. Apogee: 243 km (150 mi). Perigee: 193 km (119 mi). Inclination: 51.6000 deg. Period: 88.80 min. Summary: Manned two crew. Docked with Salyut 6. Delivered to the Salyut-6 station the third international 'Intercosmos' crew consisting of V F Bykovsky (USSR) and S Jaehn (German Democratic Republic) to carry out scientific research and experiments..

1978 September 3 - .
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