Related Clues:
- Kin of a 911 call
- 'Help!'... and a hint to 17-, 27-, 42- and 53-Across
- "Mamma Mia" number
- 911 on the ocean
- Urgent transmission
- One might be picked up in a storm
- Sailor's "Help!"
- 'Rescue us!'
- Mariner's call for help
- Seaman's call for assistance
- Message in a bottle
- Skipper's "mayday"
- Titanic signal
- 'Sending out an ___' (repeated Police lyric)
- Popular pad