Way of detecting a plane? (5)

I believe the answer is:

radar

(Other definitions for radar that I've seen before include "Method of detection" , "Radio device for tracking distant objects" , "Radio detection system" , "Instrument to detect and locate distant objects" , "Palindromic detection system" .)

I've seen this clue in The Mirror.

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.