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Vinci is the re-ignitable engine of the upper stage that increases the operational flexibility of Ariane 6 and ensures that the engine safely deorbits at the end of the mission. This engine was successfully tested more than 140 times and reignited multiple times in succession in near vacuum to complete its qualification.
The final qualification test took place on 12 October 2018 on the PF52 test bench at ArianeGroup’s Vernon site, bringing a total of more than 14 hours of operation.