International Code of Signals

International Code of Signals - A set of radio, sound, and visual signals designed to aid in communications between vessels without language problems. It can be used with Morse Code, with signal pennants, and by spoken code letters.

The International Code of Signals using the code flags is just one and consists of 40 flags in all:
26 alphabetical flags e.g. A
I have a diver down, keep well clear at slow speed.

international code of signals The system of signal flags adopted between ships and shore internationally, that can be decoded into any language in the wind Pointing a boat too high into the wind, ...

102 International Code of Signals is full of signals. For example, if you were on a coral reef and knew other vessels were headed your way, ...

Code flags are official flags representing letters, numbers, and phrases under the International Code of Signals. Pleasure boats also fly flags that identify the owners and their clubs. A flagstaff is short spar on which flags are flown.

3. Attention is drawn to the relevant sections of the International Code of Signals, the Merchant Ship Search and Rescue Manual and the following signals: ...

The officer must also be able to transmit and receive signals by Morse light and to use the International Code of Signals.
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See also: Code, Point, Set, Bow, Boat