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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] Various navies have flag systems with additional flags and codes, and other flags are used in special uses, or have historical significance. [2]
Commercial code flags until 1900. The International Code of Signals was preceded by a variety of naval signals and private signals, most notably Marryat's Code, the most widely used code flags prior to 1857. What is now the International Code of Signals was drafted in 1855 by the British Board of Trade and published in 1857 as the Commercial ...
In naval flag signalling, additional flags and an expanded list of signals are used for identification and commands, as well as the mercantile uses. Many navies have their own proprietary or secret codes, and use additional flags.
The delegation will use a flag and a one-off instrumental anthem assigned by the IOC. ANZ Australasia: 1908–1912: Used in the IOC's medal database [5] to identify the team from Australasia, composed of athletes from both Australia and New Zealand for the 1908 and 1912 Games. Both nations competed separately by 1920. COR Korea from French ...
An identifier may be a proper noun ; a proper noun combined with a standardized prefix based on the type of ship (e.g. RMS Titanic); a serial code; a unique, alphanumeric ID (e.g. A123B456C7); or an alphanumeric ID displayed in international signal flags (e.g. , representing U6CH). Some identifiers are permanent for a ship while others may be ...
Maritime identification digits are used by radio communication facilities to identify their home country or base area in digital selective calling (DSC), Automatic Transmitter Identification System (ATIS), and Automatic identification system (AIS) messages as part of their Maritime Mobile Service Identities.
Vexillological symbols are used by vexillologists to indicate certain characteristics of flags, such as where they are used, who uses them, and what they look like. The symbols were created by vexillologist Whitney Smith and then adopted by the International Federation of Vexillological Associations (FIAV) in the early 1970s. [ 1 ]
A Maritime Mobile Service Identity (MMSI) is effectively a maritime object's international maritime telephone number, a temporarily assigned UID issued by that object's current flag state (unlike an IMO number, which is a permanent global UID).