March 30, 2018

Next Ariane 5 mission set to launch: DSN-1/Superbird-8 and HYLAS 4 satellites

Thursday 5 April, Ariane 5 will lift off from the Guiana Space Centre (CSG), Europe’s spaceport in Kourou, to place two new telecommunications satellites into orbit: DSN-1/Superbird-8, built by NEC Corporation for SKY Perfect JSAT Corporation, and HYLAS 4, built by Orbital ATK for Avanti. This will be the second launch of the year from the CSG and Ariane 5’s 98th in total.

With a launch mass of 5,348 kilograms, DSN-1/Superbird-8 is a satellite built by NEC Corporation and the 19th to be orbited for operator SKY Perfect JSAT by an Ariane launcher. SKY Perfect JSAT is a leader in the converging TV broadcasting and telecommunications markets, and the number one satellite operator in Asia. Superbird-8 will provide telecommunications services mainly in the Japanese market, while DSN-1 is part of the Program to Upgrade and Operate X-Band Satellite Communications Function, for which the DSN Corporation, a subsidiary of SKY Perfect JSAT, has signed a contract with Japan’s Ministry of Defence. It has an expected service lifetime of more than 15 years.

With a launch mass of 4,050 kilograms, HYLAS 4 is a satellite built by Orbital ATK. The HYLAS fleet provides broadband Internet access to homes, schools, mobile network operators and governments through an elite collection of service providers. HYLAS 4 will cover all of Europe, as well as West and Central Africa, while its steerable beams will deliver services to the Caribbean, Middle East and South America. It has an expected service lifetime of 15 years.

The Ariane 5 launch will be carried live on via YouTube

Check out the photos of the VA242 flight campaign at the Guiana Space Centre at

Pascale Bresson    Press Officer    Tel. +33 (0)1 44 76 75 39
Raphaël Sart          Press Officer     Tel. +33 (0)1 44 76 74 51