'Restricted flight area manager' used as trivia (8)

I believe the answer is:

aviarist

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'restricted flight area manager' is the definition.
I can't judge whether this defines the answer.

'used as trivia' is the wordplay.
'used' is an anagram indicator.
'as'+'trivia'='astrivia'
'astrivia' with letters rearranged gives 'AVIARIST'.

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I've seen this clue in The Guardian.

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