Progress MS-05
ISS-51 Progress MS-05 cargo spacecraft.jpg
View of Progress MS-05 docked at the ISS.
NamesProgress 66P
Mission typeISS resupply
COSPAR ID2017-010A
SATCAT no.42056
Mission duration148 days
Spacecraft properties
SpacecraftProgress MS
Spacecraft typeProgress MS-05 s/n 435
ManufacturerRKK Energia
Launch mass7281 kg
Payload mass2640 kg
Start of mission
Launch date22 February 2017, 05:58:33 UTC[1]
RocketSoyuz-U s/n T15000-145
Launch siteBaikonur, Site 1/5
ContractorProgress Rocket Space Centre
End of mission
Decay date20 July 2017
Orbital parameters
Reference systemGeocentric orbit
RegimeLow Earth orbit
Docking with ISS
Docking portPirs
Docking date24 February 2017, 08:34 UTC [1]
Undocking date20 July 2017, 17:46 UTC
Time docked146 days
Mass2640 kg
Pressurised1317 kg
Fuel880 kg
Gaseous23 kg
Water420 kg
Progress ISS Resupply

Progress MS-05 (Russian: Прогресс МC-05), identified by NASA as Progress 66P, was a Progress spacecraft used by Roscosmos to resupply the International Space Station (ISS).


The Progress MS is a uncrewed freighter based on the Progress-M featuring improved avionics. This improved variant first launched on 21 December 2015. It had the following improvements:[2][3][4]


The launch of the Progress MS-05 mission was originally planned for 16 October 2016, and by the end of 2016, it was postponed to 21 February 2017, in the wake of the Progress MS-04 accident. The extra time was used to return the third stages of already assembled vehicles to the manufacturing plant for additional inspections of RD-0110 engines, which were suspected in the loss of Progress MS-04. The engine on the third stage of the Soyuz-U vehicle assigned for the Progress MS-05 mission was replaced.[1]

The Soyuz-U rocket for the Progress MS-05 mission and all subsequent launchers carrying Soyuz and Progress spacecraft were retrofitted with onboard cameras capable of transmitting live images during the ascent to orbit. The cameras were installed on the exterior of the intertank compartment of the third stage. The resulting video could help to understand the rocket's behavior during the flight.[1]

The launch of Progress MS-05 was to be ensured for 139.8 million rubles.[1]


The Progress MS-06 spacecraft delivered 2,640 kg of cargo and supplies to the International Space Station, including an Orlan-MKS spacesuit. This was a replacement for the suit lost on Progress MS-04. The following is a breakdown of cargo bound for the ISS:[3][1]


Progress MS-05 was launched on 22 February 2017 at 05:58:33 UTC [5][6] from the Baikonur Cosmodrome in Kazakhstan. It used the 786th and last Soyuz-U rocket.[7]


Progress MS-05 docked with the Pirs module at 08:34 UTC on 24 February 2017. During the automated docking process, Russian cosmonauts Sergey Ryzhikov and Oleg Novitsky were on stand by at the manual control system, TORU, console inside the Pirs service module to take over docking operations if needed. Progress MS-05 will remain docked at the station for almost four months before departing in June 2017 for its deorbit into Earth's atmosphere.

Undocking and decay

After six months at the International Space Station, the Progress MS-05 cargo ship undocked from the Pirs, on 20 July 2017, at 17:46 UTC. The three-minute braking manoeuvre with the main engine of the cargo ship was scheduled to begin at 20:58 UTC, followed by reentry into the dense atmosphere at 21:32 UTC on 20 July 2017. Surviving debris of the spacecraft were calculated to impact the remote area of the Pacific Ocean at 21:41 UTC on 21 July 2017.[1]


  1. ^ a b c d e f g Zak, Anatoly (21 July 2017). "Progress MS-05 arrives at ISS". RussianSpaceWeb. Retrieved 23 May 2020.
  2. ^ Krebs, Gunter (1 December 2015). "Progress-MS 01-19". Gunter's Space Page. Retrieved 14 October 2017.
  3. ^ a b "Progress MS-05 NSSDCA/COSPAR ID: 2017-010A". NSSDCA. NASA. Retrieved 24 May 2020. Public Domain This article incorporates text from this source, which is in the public domain.
  4. ^ Zak, Anatoly (14 April 2017). "Progress-MS". RussianSpaceWeb. Retrieved 26 April 2018.
  5. ^ Gebhardt, Chris (21 February 2017). "Longest-serving rocket in history bids farewell with Progress MS-05 launch".
  6. ^ Godwin, Curt (20 February 2017). "After multiple delays, Progress MS-05 set for launch". Spaceflight Insider.
  7. ^ Clark, Stephen (11 July 2016). "Launch Schedule". Spacecflight Now. Retrieved 18 July 2016.