Pilots have plenty (4)

I believe the answer is:

lots

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

'plenty' is the definition.
(thesaurus)

'pilots have' is the wordplay.
'LOTS' is hidden in amongst the letters.
However, I am not sure how this is indicated.

Can you help me to learn more?

(Other definitions for lots that I've seen before include "Large numbers at auction" , "Large number or amount" , "Tons" , "Units sold at auctions - plenty of them" , "Many - items in a sale" .)

I've seen this clue in the Evening Standard.

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