Related Clues:
- Signal officially replaced in 1999
- Sinker's signal
- Brand of scouring pad
- . . . - - - . . . (<--- remember this for if you ever get shipwrecked)
- It has three dashes in the middle
- Rihanna's first #1 single
- Emergency transmission
- Job ad inits
- Appeal for help
- Cleaning product with two periods in its name
- Alternate arrangement of letters to 11-Down in a want ad..
- 'Help!,' at sea
- Either way, one is seeking professional help for May Day
- Palindrome named 1975 hit from a palindrome named band
- Brand with a Grill Mates variety