The clue "Sub's tracking device" last appeared in the Newsday crossword on November 18, 2025. The correct answer for this puzzle is "SONAR", a 5-letter word.
Solution SONAR is 5 letters long. So far we haven´t got a solution of the same word length.
There is 1 solutions. The longest is SONAR with 5 letters, and the shortest is SONAR with 5 letters.
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The solution is 5 letters long.