Publicise skilled trade for plane, say (8)

I believe the answer is:

aircraft

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'plane say' is the definition.
(plane is a kind of aircraft)

'publicise skilled trade' is the wordplay.
'publicise' becomes 'air' (airing is a kind of publicising).
'skilled trade' becomes 'craft' (synonyms. I am not sure about the 'skilled' bit.).
'air'+'craft'='AIRCRAFT'

'for' is the link.

Can you help me to learn more?

(Other definitions for aircraft that I've seen before include "High-flier" , "Vehicle that can fly" , "Eg, plane, helicopter, etc" , "Flier" , "Planes" .)

I've seen this clue in The Telegraph.

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