CrosswordMint
Forgotten Flags and Semaphore Lore
Challenging puzzle for experienced crossword solvers
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Across
  • 1. Maritime warning flag indicating hazards like shoals or currents
  • 2. Arm-waving signal system often mounted on towers or ship masts
  • 3. Traditional, bio-based messenger in maritime distress communication
  • 4. Old term describing breaking up and hoisting of signal flags
  • 6. Tapered flag historically used for identification and communication
  • 9. Historic Swedish maritime signal code using flag patterns
  • 13. Signal indicating vessel lost control, left to wind or current
  • 15. Heraldic flag design once used for ship identification and signals
  • 17. Visual signaling aid besides flags, once key in night-time maritime codes
  • 18. French term for flag, once common in signaling protocols
  • 19. Eponymous code flag system predating ICS, used for naval signaling
Down
  • 5. Pre-electric semaphore lines conveying messages through vantage points
  • 7. Obsolete flag signaling system named after a Scottish mathematician
  • 8. Mirror signal device harnessing sun’s rays for distant communication
  • 10. Method to convey complex info by selectively raising signal flags
  • 11. Dot-and-dash code, later maritime staple, displaced older visual cues
  • 12. Temporary wooden boards hoisted for complex encoded maritime signals
  • 14. Alarm signal historically shown by raising a charred banner
  • 16. Flag signaling system based on pendulum-like waving motions
  • 20. Unused variant spelling referring to signal flags indicating power status

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