Soyuz 2.1a
Soyuz familyProgress Rocket Space CenterActive
The Soyuz 2.1A converted the flight control system from analog to digital, which allowed launch from fixed platforms. It also allowed big fairings and payloads. It is currently used for crewed Soyuz and Progress flights to the ISS.
Specifications
- Thrust
- 4,149 kN
- Height
- 46.3 m
- Diameter
- 2.95 m
- Launch mass
- 312 t
- Stages
- 3
- Launch cost
- $80M
- LEO capacity
- 7,020 kg
- GTO capacity
- 2,810 kg
- SSO capacity
- 4,230 kg
Specifications from Launch Library. Figures the operator has not published are omitted.
Flight record
58flightswith a definitive outcome
98.3%success rate57 of 58
1failureincluding partial failures
51success streakcurrent
First flight November 8, 2004 · latest July 14, 2026 · 14:47 UTC
Counted from padside's own launch record, the same basis as the stats page.
Flights per year
- Successful
- Failed
Show the numbers for Soyuz 2.1a flights per year
| Year | Successful | Failed | Total |
|---|---|---|---|
| 2004 | 1 | 0 | 1 |
| 2005 | 0 | 0 | 0 |
| 2006 | 0 | 0 | 0 |
| 2007 | 0 | 0 | 0 |
| 2008 | 0 | 0 | 0 |
| 2009 | 0 | 0 | 0 |
| 2010 | 0 | 0 | 0 |
| 2011 | 0 | 0 | 0 |
| 2012 | 0 | 0 | 0 |
| 2013 | 1 | 0 | 1 |
| 2014 | 3 | 0 | 3 |
| 2015 | 3 | 1 | 4 |
| 2016 | 2 | 0 | 2 |
| 2017 | 2 | 0 | 2 |
| 2018 | 2 | 0 | 2 |
| 2019 | 4 | 0 | 4 |
| 2020 | 4 | 0 | 4 |
| 2021 | 6 | 0 | 6 |
| 2022 | 6 | 0 | 6 |
| 2023 | 7 | 0 | 7 |
| 2024 | 7 | 0 | 7 |
| 2025 | 6 | 0 | 6 |
| 2026 | 3 | 0 | 3 |