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Ariane 5 March 26, 2018

Flight VA242 – Arianespace to launch DSN-1/Superbird-8 for Sky Perfect JSAT and HYLAS 4 for Avanti on April 5

For its third launch of 2018, Arianespace will use an Ariane 5 from the Guiana Space Center (CSG) in French Guiana to launch the DSN-1/Superbird-8 and HYLAS 4 satellites.

With this 242nd mission utilizing an Ariane launcher, and the second this year with the Ariane 5 heavy launch vehicle, Arianespace once again serves the ambitions of two long-lasting partners: the Japanese operator SKY Perfect JSAT and the British operator Avanti Communications.

The launch will be from the Ariane Launch Complex (ELA) in Kourou, French Guiana.

The Launch Readiness Review (LRR) will take place on Tuesday, April 3, 2018 in Kourou, to authorize the start of operations for the final countdown.

DSN-1/Superbird-8 is the 19th SKY Perfect JSAT satellite assigned to Arianespace for launch. The most recent Arianespace launch for this operator was with JCSAT-15 in December 2016.

On this dual-use satellite, the Superbird-8 payload is composed of high-performance Ku and Ka transponders and will provide satellite communications services mainly in the Japanese market. Located at 162 degrees East Longitude, it will replace the Superbird-B2 satellite launched in 2000 by Arianespace.

The DSN-1 (X-Band Defense Communications Satellite-1) payload is associated with the Program to Upgrade and Operate X-Band Satellite Communications Function, for which the DSN Corporation – a subsidiary of SKY Perfect JSAT – has concluded a program contract with Japan’s Ministry of Defense.

DSN-1/Superbird-8 was built by MELCO (Mitsubishi Electric Corporation), with manufacturing management by NEC Corporation, using a DS2000 platform.

HYLAS 4 is Avanti’s third satellite launch, and marks its third with Arianespace from the Spaceport in French Guiana.

HYLAS 4 will deliver high speed, reliable and secure satellite communications to Internet Service Providers (ISPs), Mobile Network Operators (MNOs), governments and satellite operators across Europe, through its Ka-band capacity. The high throughput satellite will also provide services in regions such as West and Central Africa, and with its steerable beams that provide services in Europe, South America, the Caribbean, and the Middle East.

It is the 28th Orbital ATK-built satellite to be launched by Arianespace, a series that started with the TOPEX-Poseidon mission in 1992.

For further information, download the Flight VA242 Launch Kit by clicking here:

To watch a live, high-speed online transmission of the launch (including commentary in French and English from the launch site), go to on April 5, 2018, beginning 15 minutes before liftoff.

Follow the launch live on and on iPhones or iPads (the Arianespace HD app is free).

About Arianespace

Arianespace uses space to make life better on Earth by providing launch services for all types of satellites into all orbits. It has orbited more than 570 satellites since 1980, using its family of three launchers, Ariane, Soyuz and Vega, from launch sites in French Guiana (South America) and Baikonur, Kazakhstan. Arianespace is headquartered in Evry, near Paris, and has a technical facility at the Guiana Space Center, Europe’s Spaceport in French Guiana, plus local offices in Washington, D.C., Tokyo and Singapore. Arianespace is a subsidiary of ArianeGroup, which holds 74% of its share capital, with the balance held by 17 other shareholders from the European launcher industry.


Ariane 5 January 26, 2018

Launch VA241: Ariane 5 delivers SES-14 and Al Yah 3 to orbit

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