Definition

Noun: 1. A signaling flag used in maritime communication: A code flag is one of a set of flags, each with a distinct color, pattern, and meaning, used within an internationally recognized system for sending messages between ships or between ship and shore.

Usage

• Code flags are used to communicate messages about navigation, safety, intentions, and emergencies.
• They can be used individually to convey a standard single-letter meaning or combined in groups to spell out words or convey more complex coded messages.
• Their primary use is in the International Code of Signals.

Examples

• The ship raised a code flag to indicate it was carrying dangerous cargo.
• To signal "I require a pilot," the vessel hoisted the code flag "G".
• Sailors must learn the meaning of each code flag in the set.

Advanced Usage

• "To fly a code flag": To display a specific signal flag.
  • The yacht was flying the "Alpha" code flag, signaling "I have a diver down; keep well clear at slow speed."
• In formal or historical contexts, "code flag" can be synonymous with signal flag or nautical flag when referring specifically to the International Code of Signals.

Variants and Related Words

• Signal flag: A more general term for any flag used for signaling, which may include naval or other specialized codes beyond the International Code.
• International Code of Signals (ICS): The complete system of signals, including flags, that the code flags belong to.
• Hoist: A set of signal flags flown together. (e.g., ).

Synonyms

• Signal flag
• Nautical flag
• Maritime signal flag

Related Phrases

• Code flag alphabet: The full set of flags, typically 26, representing the letters A through Z.
• Numeral pennants: A subset of code flags representing the numbers 0 through 9.

Noun

1. one of an international code of flag signals used between ships