Crossword Genius

Greek character to fly a plane (5,4)

Ross

I believe the answer is:

delta wing

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'a plane' is the definition.
Both the definition and answer are singular nouns.
Perhaps you can see a link between them that I don't see?

'greek character to fly' is the wordplay.
'greek character' becomes 'delta' (letter from the Greek alphabet).
'to fly' becomes 'wing' ('wing' can be a synonym of 'fly').
'delta'+'wing'='DELTA-WING'

Can you help me to learn more?

I've seen this clue in the Sydney Morning Herald.
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