Pilot's sunglasses? (8)

I believe the answer is:

aviators

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'pilot's sunglasses?' is the definition.
Although both the answer and 'sunglasses?' are nouns, they are not in the same form of the noun.

'pilot's sunglasses?' is the wordplay.
'pilot' becomes 'aviator' (I've seen this before).
'sunglasses?' becomes 's' (this might be a standard abbreviation of which I'm unaware).
'aviator'+'s'='AVIATORS'

Can you help me to learn more?

(Other definitions for aviators that I've seen before include "Fliers" , "They fly machines" , "Flyers" , "Pilots" , "Aeronauts" .)

I've seen this clue in The Irish Times.

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