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15 February 2013
15. February 2013 Commercial Aircraft

Airbus activates “Plan B” for the A350 XWB batteries

The Airbus A350 XWB in flight, with RR engines. Shaping efficiency.
Summary

Reverts back to nickel cadmium technology

Airbus is confident that the lithium ion (Li-ion) main battery architecture it has been developing with Saft and qualifying for the A350 XWB aircraft is robust and safe. The A350 XWB flight test programme will continue as planned with the qualified Li-ion main batteries.
However, to date, the root causes of the two recent industry Li-ion main batteries incidents remain unexplained to the best of our knowledge. In this context, and with a view to ensuring the highest level of programme certainty, Airbus has decided to activate its “Plan B” and therefore to revert back to the proven and mastered nickel cadmium main batteries for its A350 XWB programme at Entry into Service (EIS). Airbus considers this to be the most appropriate way forward in the interest of programme execution and A350 XWB reliability. 
In parallel, Airbus has also launched additional maturity studies on Li-ion main batteries behavior in aerospace operations and will naturally take on board the findings of the ongoing official investigation.
As a result of making this decision now, Airbus does not expect it to impact the A350 XWB Entry Into Service schedule.
The Airbus A350 XWB in flight, with RR engines. Shaping efficiency.

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