April 23, 2014
Categories: ISS, MCC, Progress

Progress M-21M cargo vehicle was undocked from the ISS  up to April 25 to check Kurs-NA modernized docking and approaching system, – Mission Control Centre representative stated.

“Cargo vehicle was undocked from the ISS in automatic mode involving Kurs-NA system. On Friday at 16.16, Moscow time in accordance with the plan Progress M-21M will be docked with the station again to test Kurs-NA system operation”, – the spokesman reported.

Kurs-NA system peculiarity lies in the fact that it does not use analog signal processing forwarding this function to microprocessors. Kurs-NA system is more accurate in comparison with the previous Kurs system.

Kurs-NA system was first tested during the undocking and the following docking attempt of Progress M-15M cargo vehicle with the ISS on July 24, 2014. That time the tests were a failure. When progress vehicle was 161 km from the station new system commanded to cancel all the following operations and the docking was stopped. MCC specialists analyzed the situation, rebooted the system and the vehicle successfully docked with the station in a couple of days.

Second flight tests took place on November 30, 2013 and were also a failure. ISS crew had to switch to manual control and dock the station with cargo vehicle in the manual mode.

 

 

More from this category:
June 28, 2021

In the assembly and testing facility of Site 31 of the Baikonur Cosmodrome, a joint crew of specialists from subsidiaries of Roscosmos completed the general…

full story
August 30, 2019

At the GCTC began the examination complex training of the main and backup crews of the ISS-61/62 / EP-19. The backup crew, consisting of cosmonaut…

full story
April 14, 2014

Russian President Vladimir Putin expressed the hope for future cooperation with International Committee on Space Research (COSPAR). On Friday, April 11 Vladimir Putin had a…

full story
January 14, 2015

A caustic element emitted from an air conditioning unit in the American sector of the International Space Station has forced all of the astronauts to take refuge in the Russian section,…

full story
November 19, 2013

Express-AM5 Russian communication satellite developed and designed by Reshetnev “Information satellite systems” Company was delivered to Baikonur spaceport from where it will be launched. “The…

full story
November 18, 2020

ISS crew patched up the crack in Russian Zvezda module to stop the air leak, – Roscosmos press office reports. Earlier in the course of…

full story
August 7, 2014

On August 4, on the basis of central aero club of Tatarstan Republic of Russian Army, aviation and navy support NGO  the cosmonauts Nikolay Tikhonov,…

full story
May 17, 2021

Specialists of RSC Progress (Samara, part of Roscosmos) have finished welding the first stage oxidizer tank (tank ‘O’) for the new Soyuz-5 launch vehicle. The…

full story