P160C Boosters for Ariane 6 Increase Performance by 10-15% (esa.int)

• P160C boosters hold 14 tonnes more propellant than P120C.
• Increase payload capacity by 10-15%.
• First flight with four boosters in February 2026.
• Technology shared with Vega-C rocket.

"ESA published an infographic on the new P160C solid-propellant boosters for Ariane 6. Each booster holds 14 tonnes more propellant than the P120C, increasing payload capacity by 10-15%. The first flight with four boosters occurred in February 2026. The technology is shared with Vega-C."