Crossword clues for the word: AIRALERT The word AIRALERT has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for AIRALERT Showing 1 to 10 of 10 results Clue(s) Noise heard during the London Blitz Pre-sortie signal Signal to combat pilots Signal to pilots: 2 wds. Siren for a squadron Sortie signal Warning during the Battle of Britain Warning during wartime Wartime signal Wartime warning