Related Clues:

• Roger in the Navy
• Deck assent
• Hail on a bridge
• Yachter's 'Yo!'
• Hello with a wave?
• Call from the crow's-nest
• Greeting near land
• Shout from a ship
• Cry related to 'hey'
• Cry related to "hey"
• Offshore greeting
• Salt's greeting
• Assent on deck
• 'Yes, captain'
• Sailor's bit of obedience