International maritime signal flags are various flags used to communicate with ships. The principal system of flags and associated codes is the International Code of Signals. [1]

There is also a signaling system called Semaphore which uses the position of the flags relative to a person to denote the letter. See Flag Etiquette for guidelines on proper display of flags.

Dec 13, 2023 · Here, we'll unpack everything you need to know about nautical flags, their meanings and how mastering this silent language can significantly enhance your …

Apr 28, 2025 · Learning what nautical flags mean is part and parcel of sailing. Read our guide and safely navigate the waters with these visual signs.

A complete guide to the history, meaning and importance of Nautical Flags & Code Signals for recreational and international boating.

There are 26 square nautical flags, each representing a different letter of the alphabet. There are also 10 pendants for the numbers zero through nine. Read on to learn more about nautical flag …

Mar 30, 2025 · The following is a brief list of the some meanings for combining two nautical flags (and sometimes more) that you may see at sea. Some are more common than others.

Aug 9, 2023 · Nautical flags are often called signal flags or maritime flags and are part of the International Code of Signals. These flags are used for maritime communication among ships …

Jun 27, 2024 · There are 26 international maritime signal flags, each representing a different letter of the alphabet, and each having a second meaning that’s a message to other boaters. As an …

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