Related Clues:

• Call for attention
• Captain's command
• 'Halt!,' at sea
• Sailor's hail
• Call on the main
• Seagoing salute
• Greeting from Popeye
• Sailor's hello
• Greeting from a tin can
• Bridge call
• Nautical greeting
• 'Hey, sailor!'
• Hail at sea
• "Halt, salt!"
• Mate's greeting