Related Clues:

• Emergency equipment
• Emergency message
• Poseidon's call
• Safety item in a trunk
• Bell-bottom feature
• Mayday cousin
• 'Breakdown ahead' warning
• CQD successor
• Terse radio message
• '___ yer old man!'
• 'Mayday!'
• '-- your old man!'
• Mayday!
• It's sometimes written in the sand
• Maritime message