Related Clues:

• Mayday
• Urgent call to the USCG
• Help! (at sea)
• Help! (on the ocean)
• Help signal at sea
• Sea alert initials
• Naval distress signal
• Help signal, as sea
• Distress call on the ocean
• Scrubbing pad brand
• Help! (on a ship)
• Ship's urgent message
• Ship's 911 call
• Call for help at sea
• Letters signaling trouble