Flight ST29: Fourth flight for OneWeb with the first Arianespace mission from Vostochny Cosmodrome

OneWeb – the global satellite communications company based in the UK – resumes flights. This 53rd Soyuz mission conducted by Arianespace and its Starsem affiliate will be operated from Vostochny Cosmodrome and represents OneWeb’s fourth launch overall and the third for this year.


This mission will deliver 36 satellites into orbit, bringing the total fleet to 110 satellites in low Earth orbit. By operating this fourth flight on behalf of OneWeb, Arianespace participates in the fulfilment of its customer’s ultimate ambition: providing internet access for everyone, everywhere, all the time. Flight ST29 will be performed from the Soyuz Launch Complex in Vostochny, Russia.

Flight ST29, the first commercial mission from Vostochny Cosmodrome performed by Arianespace and its Starsem affiliate, will put 36 of OneWeb’s satellites into a near-polar orbit at an altitude of 450 kilometers. After separation, the satellites will raise themselves to their operational orbit.


The first six OneWeb satellites were successfully orbited by Arianespace on Soyuz Flight VS21 from French Guiana on February 27, 2019. On February 7, 2020, Arianespace and its Starsem affiliate successfully launched 34 OneWeb satellites from Baikonur Cosmodrome on Soyuz Flight ST27. On March 21, 2020, the team successfully delivered an additional 34 satellites into orbit on Soyuz Flight ST28.


OneWeb’s mission is to bring internet everywhere to everyone, by creating a global connectivity platform through a next generation satellite constellation in low Earth orbit. OneWeb’s constellation will deliver high-speed, low-latency connectivity services to a wide range of customer sectors including aviation, maritime, backhaul services, and for governments, emergency response services and more.


Central to its purpose, OneWeb seeks to bring connectivity to every place where fiber cannot reach, and thereby bridge the digital divide.


Once deployed, the OneWeb constellation will enable user terminals that are capable of offering 3G, LTE, 5G and Wi-Fi coverage, providing high-speed access globally – by air, sea and land.


OneWeb Satellites is a joint venture between OneWeb and Airbus Defence and Space, where OneWeb Satellites is the constellation’s prime contractor. The satellites were built thanks to its leading-edge satellite manufacturing process that can build up to two satellites a day on a series production line dedicated to the assembly, integration, and testing of the satellites. Flight ST29 will orbit the 75th to 110th OneWeb satellites to be launched by Arianespace.


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