Crossword Genius

Plane taking off and touching down? (5)

Ross

I believe the answer is:

level

'plane' is the definition.
(I know that plane can be written as level)

I don't understand how the rest of the clue works.

(Other definitions for level that I've seen before include "Palindromic storey" , "Not in front or behind" , "Staying at same height" , "Straight, even" , "Experience an evening out" .)

I've seen this clue in The Times.
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