International Code of Signals Card

This signal board is in Danish. It provides a good overview of signal flags and numeral pennants. It is laminated, making it practical and durable. Size: A4. Signal flags are used for communication with other ships or with land. Civil signal flags each have their own meaning when flown alone, and the code applies to all shipping. Here are a few examples: A: I have a diver down; keep well clear at slow speed. B: I am taking in or discharging or carrying dangerous goods.