22.05.2008, 12:54 2934

Reason of ballistic descent of Soyuz TMA-11 established

The reason of ballistic descent during landing on April 19 of the space ship Soyuz TMA-11 has been established, the agency reports referring to the information of Astronautics News.

Baikonur. May 22. Kazakhstan Today - The reason of ballistic descent during landing on April 19 of the space ship Soyuz TMA-11 has been established, the agency reports referring to the information of Astronautics News.

The reason of ballistic descent of the capsule of the ship became delay of detachment of propulsion module from the descent capsule.

"The reason is known. The propulsion module (one of compartments of the ship Soyuz TMA-11) unduly detached from the descent capsule. It was the reason of ballistic descent, the chairman of Department of Piloted Programs Roscosmos Alexey Krasnov informed journalists.

Final conclusion will be made by the state commission investigating the reasons of ballistic descent of the crew of the International Space Station.

According to the chairman of Roscosmos Anatoly Perminov, the commission work should be completed by May 30.

As it was informed earlier, on April 19 the descent capsule of the space ship Soyuz TMA-11 with the crew onboard in the structure of Russian cosmonaut Jury Malenchenko, American Peggy Whitson and the first woman-cosmonaut of South Korea Yi So-yeon landed on the territory of Kazakhstan, having switched to a ballistic trajectory. Thus, the space vehicle was about 420 kilometers short of its target, which exposed the cosmonauts to the increased force of gravity.

The landing of the space ship Soyuz, taken place on April 19, has become the second case of ballistic descent mode of the descent capsule of Soyuz TMA. In October, 2007 the descent capsule of the space ship Soyuz TMA-9 with the Russian cosmonauts Feodor Jurchihin, Oleg Kotov and the participant of the flight Sheikh Muzafar (Malaysia) had ballistic descent, which was 400 kilometers away from the nominal landing site.

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