Williams plans for its revere, development and junior drivers into 2022 is yet to be announced with Aitken having been in position as reserve driver for two years, two-time W Series champion Jamie Chadwick still attached to the team and Logan Sargeant recently added to its junior programme.
Confirming the news, Aitken wrote on Twitter: "Did I sneak in to check if she still fits? Maybe.
"Pumped to say I’ll be taking part in FP1 in Abu Dhabi with Williams once again, looking forward to closing this year out the right way."
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