Crossword Genius

Settle the charges for air freight (8)

Ross

I believe the answer is:

payloads

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

'for air freight' is the definition.
I can't tell whether this defines the answer.

'settle the charges' is the wordplay.
'settle' becomes 'pay' (paying is a kind of settling).
'the charges' becomes 'loads' (I've seen this before).
'pay'+'loads'='PAYLOADS'

Can you help me to learn more?

(Another definition for payloads that I've seen is " warheads?".)

I've seen this clue in The Globe and Mail.
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