Crossword Genius

It locates aircraft coming or going (5)

Ross

I believe the answer is:

radar

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'it locates aircraft coming or going' is the definition.
The definition suggests a singular noun which matches the answer.

This is the entire clue.

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(Other definitions for radar that I've seen before include "Pulsed location-finder" , "one sends out signals" , "Method of detection" , "Ranging system" , "Palindromic detection system" .)

I've seen this clue in The Globe and Mail and The Telegraph.
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