Related Clues:

• Sailor's hail
• Mayday relative
• Seagoing salute
• Request for rescue
• Greeting from Popeye
• Sailor's hello
• Greeting from a tin can
• Emergency message
• Poseidon's call
• Bridge call
• Nautical greeting
• Mayday cousin
• 'Hey, sailor!'
• CQD successor
• Terse radio message