Fly

The crossword question “Fly is PILOT” is a clue asking for a word to fill in a certain number of boxes which represents a word that relates to “fly” and means “pilot“. The answer to this clue is “PILOT” which means a person who operates an aircraft or a ship. The clue uses the word “fly” as a verb which can mean to operate or control the movement of an aircraft, and the word “is” is used to indicate that the answer is a synonym of “pilot“. Therefore, the answer to this crossword question is “PILOT“.