Judges plane to have crashed (5)

I believe the answer is:

panel

I'm a little stuck... Click here to teach me more about this clue!

'judges' is the definition.

'plane to have crashed' is the wordplay.
'plane' can be anagrammed to 'PANEL'.
Though, I am not clear how the anagram is indicated.

Can you help me to learn more?

(Other definitions for panel that I've seen before include "Committee to judge a competition or list from which to appoint someone" , "Dashboard; jury" , "Section of vehicle bodywork" , "Bordered rectangular area" , "Group of experts etc" .)

I've seen this clue in The Mirror.

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