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Arianespace launch of a Soyuz STA/Fregat | Sentinel-1B
Soyuz STA/Fregat | Sentinel-1B

Arianespace launch of a Soyuz STA Rocket

Launch Status

Arianespace was scheduled to launch a Soyuz STA rocket as part of the Sentinel-1B mission. The launch window for the Earth Science mission was on Mon, Apr 25th, 2016, 5:02 PM EDT from Soyuz Launch Complex Kourou, French Guiana. Don’t miss this exciting rocket launch! Watch the launch video of the Soyuz STA and experience the excitement for yourself.


Soyuz Launch Complex

Kourou, French Guiana


Soyuz STA

The 2.1a version includes conversion from analog to digital flight control system and uprated engines on the booster and the first stage with improved injection systems. The new digital flight control and telemetry systems allow the rocket to launch from a fixed rather than angled launch platform and adjust its heading in flight. A digital control system also enables the launch of larger commercial satellites with wider and longer payload fairings such as the ST-type fairing. These fairings introduce too much aerodynamic instability for the old analog system to handle. This stage continues to use the RD-0110 engine. The 2.1a/ST version is sometimes called Soyuz ST-A.


Arianespace SA is a multinational company founded in 1980 as the world's first commercial launch service provider. It undertakes the production, operation, and marketing of the Ariane programme. Their vehicles launch exclusively from French Guiana in South America.