An aircraft pilot (7)
I believe the answer is:
aviator
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">an aircraft pilot</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for aviator that I've seen before include "Airman" , "One flying aircraft" , "Flier" , "Navigator of the air" , "Woman in a flying machine" .)