Related Clues:
- Mayday call
- Skipper's plea
- Help wanted sign?
- Gas treatment letters
- Only hit song for which title and artist are both palindromes
- An obvious cry for help
- Coded plea
- ''The racer's edge''
- Sea call
- Morse code message
- Sinking signal
- Mayday! Mayday!
- Main message?
- Dashed-off message?
- 1985 Union Carbide acquisition