Federal Space Agency will present the final cause of the accident “Progress” May 22 – RIA Novosti

MOSCOW, May 15 – RIA Novosti. Roscosmos expects the Commission accident “Progress”, life has been extended from 12 to 22 May will present a comprehensive conclusion of this date, according to RIA Novosti representative office.

The upgraded carrier rocket “Soyuz-2.1a” with the cargo ship “Progress M-27M” launched from Baikonur on April 28. Branch ship from the third stage carrier passed abnormally, the space truck was on neraschёtnoy orbit in the strong twist. Docking with the ISS had to be canceled. Attempts to “Progress M-27M” under control nor to no avail: he began uncontrolled descent of orbit. At 05.04 MSK Friday “Progress M-27M” ceased to exist over the central Pacific Ocean.

“Completing the Commission – May 22, as stated this at a press briefing on May 12 the head of the state commission to conduct flight tests of manned space complexes Alexander Ivanov. The work of experts goes to the space industry. For the final classification of the nature of the causes that led to the end of the emergency starter requires in-depth computational and theoretical studies, additional modeling and a number of experimental works. Who conducted experiments with the ground in order to find out what could have caused the depressurization oxidizer tank and fuel tank in the future of the third stage carrier rocket “Soyuz 2.1a,” – said the source.

He said that in general, start-up and separation space truck “Progress M-27M” took place in normal mode until the separation of the ship from the third stage “of the Union 2.1a.” At 526 seconds into the flight there was an unintended separation of the third stage of the rocket and “progress”, with the result that the ship was in orbit with an apogee of 40 kilometers above, and the third stage – in an orbit with an apogee of 20 km below the calculated trajectory launch.