Related Clues:

• Signal to a hand
• Call from a crew member
• Ensign’s affirmative
• Welcome at sea for a Scottish cyclist
• Shouted greeting
• 'You got it, captain'
• 'On it, captain!'
• Hail in a part of Orkney
• Roger on the high seas
• A cyclist's greeting, in the main
• "Hi" on a boat
• 'Greetings, sailor!'
• Hi, on the briny
• Seas 'hi'
• 'Hello, sailor!'