According to the planned Ariane launch events list, here’s what’s happening in Kourou this afternoon. All times approximate and given with respect to -H0 (23:56 CEST):

  • 11h  Start of final countdown
  • 7h   Check of electrical systems
  • 4h   Start of filling of main cryogenic stage with liquid oxygen and hydrogen
  • 3h   Chilldown of Vulcain main stage engine
  • 1h   Check of connections between launcher and telemetry, tracking and command systems


Ariane 5 VA213 ready for liftoff