NASA Logo, National Aeronautics and Space Administration
NASA Space Science Data Coordinated Archive Header

Hellas-Sat 3



Hellas Sat 3 component will deliver direct-to-home and telecom services to maintain and expand Hellas Sat’s business reach; while the Inmarsat S EAN component provides the satellite portion of Inmarsat’s new European Aviation Network.

It will use a multi-beam mission in S-band and Ka-band for Inmarsat as well as a powerful Ku/Ka-Band mission of 44 Ku and 1 Ka transponders for Hellas-Sat.

The spacecraft has been positioned as the upper passenger on Ariane 5 and will be released first during the flight.

Alternate Names

  • 42814
  • Inmarsat-S-EAN
  • Hellassat3

Facts in Brief

Launch Date: 2017-06-28
Launch Vehicle: Ariane 5 ECA
Launch Site: Kourou, French Guiana

Funding Agency

  • Inmarsat (International)


  • Communications

Additional Information

Questions and comments about this spacecraft can be directed to: Coordinated Request and User Support Office

[] NASA Logo -