Autopilots miss slot and regroup in paradise (6)

I believe the answer is:

utopia

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'paradise' is the definition.
(I've seen this in another clue)

I can't explain the rest of the clue.

(Other definitions for utopia that I've seen before include "Perfect, yet impracticable, state" , "Imaginary place where everything is perfect" , "Eden" , "Thomas More's ideal state" , "Heaven" .)

I've seen this clue in The Irish Times.

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