1061790592
May 25, 2015

Roscosmos didn’t announced specified data on Progress M-27M cargo vehicle accident on Friday, Commission well need more time, – space agency press office reports.

“Special Interdepartmental commission investigating accident of Proton M-27M  launched from Baikonur spaceport on April 28, 2015, goes on working, final conclusions will be presented later”, – official message says.

Soyuz-2.1a modernized booster with Progress m-28M cargo vehicle was launched from Baikonur spaceport on April 28. Thevehicle separated from the booster’s third stage off-nominally, the vehicle entered unscheduled orbit spinning at that. The docking on the vehicle with the ISS had to be cancelled. All efforts to take control over the vehicle were a failure:  Progress started uncontrolled descent. On May 8, 05.04 progress M-27 ceased to exist above the central region of the Pacific Ocean.

According to the preliminary data already presented by Roscosmos Progress M-27M was lost because oxidizer tank depressurization and further Soyuz-2.1a booster 3rd stage fuel tank  depressurization. It was the commission to find out depressurization cause.

To determine the nature of the cause additional modeling and a series of experiments on the premises of aerospace industries were needed.

comments

More from this category:
inmarsat-5-F1
December 9, 2013

British communication satellite InmarSat 5-F1 separated from Briz-M upper stage and was placed under the management of the ordering party, – Roscosmos representative reported. “The…

full story
ProgrM-20M
February 4, 2014

Progress M-20M undocked from the ISS and will perform controlled flight for 8 days to conduct “Curve” scientific experiment on its board, – Mission Control…

full story
1008087000
June 6, 2014

According to official information Proton-M with Exprss-AM4R satellite crash was caused by the breakage of 3rd stage control thruster turbopump bearing, Interdepartmental Commission Head Alexander…

full story
spacewalk-leonov
March 18, 2014

The Voskhod 2 spacecraft carrying Pavel Belyayev and Alexei Leonov was launched at 07:00 UT from Baikonur and put into a 169-473 km orbit at…

full story
2704311930
February 24, 2015

Last week main and back-up crews of ISS-43/44 mission started passing exams. The main crew comprises Roscosmos cosmonauts Gennady Padalka and Mikhail Korniyenko and NASA…

full story
MAwR88CshLQ
April 29, 2014

Russian Luch-5V and Kazakh KazSat-3 satellites orbited on Monday operate nominally, JSC Reshetnev Information Satellite Systems representative reports. Proton-M booster with Luch-5V and Kazsat-3 satellites…

full story
992172723
January 30, 2014

According to Eurockot company responsible for launch services with the help of Rokot booster European Space Agency (ESA) made arrangements about Sentinel-5p launch by this…

full story
Dnepr1
November 1, 2013

The next launch of Russian-Ukrainian carrier rocket “Dnepr”, based on intercontinental ballistic missile (ICBM) RS-20 (classified by NATO as the SS-18 Satan), will take place…

full story