Remote-controlled flier (5)

I believe the answer is:

drone

(Other definitions for drone that I've seen before include "Continuous low-pitched note" , "Bertie Wooster, say" , "Continuous sound; bee" , "RPV" , "Idler like male bee" .)

I've seen this clue in The New York Times and the LA Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.