Related Clues:

• Sound before 3 Down, maybe
• Soft attention-getter
• '___! Wait! I got a new complaint...' (Nirvana lyric)
• "___! Wait! I got a new complaint..." (Nirvana lyric)
• Attempt to attract attention from ship's staff
• Ahem relative
• Listen, there's more to say, by the way
• A word in your ear: civilian vessel's engaged in exercises
• Final note way over here!
• I forgot to mention at the start, so try and pay attention!
• Whispered attention grabber
• Hark
• Secret-telling preceder
• 'Hey buddy, check this out'
• ''Look over here!''