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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.
The International Code of Signals (INTERCO) is an international system of signals and codes for use by vessels to communicate important messages regarding safety of navigation and related matters. Signals can be sent by flaghoist , signal lamp ("blinker"), flag semaphore , radiotelegraphy, and radiotelephony.
[5] [6] It was based on the signal books created earlier by Admiral Lord Howe. [7] Popham's code assigned the digits 0 to 9 to ten signal flags, which were used in combination. Code numbers 1–25 represented letters of the alphabet (omitting J and with V=20 before U=21); [8] higher numbers were assigned meanings by a code book. [9]
International signal flag meaning "Fourth repeater". Created by Denelson83. {{GPL}} File usage. The following 2 pages use this file: International maritime signal flags;
A designator flag is used to indicate if a flaghoist signal is meant to be interpreted as an ICS signal or as a naval signal. The U.S. Navy uses a set of 68 flags, including flags for each letter of the alphabet and each numeral to convey messages of tactical or administrative nature. [2] [better source needed]
Date/Time Thumbnail Dimensions User Comment; current: 12:54, 29 July 2015: 600 × 600 (202 bytes): Clindberg: Reverted to version as of 03:49, 29 December 2013. No need to dup File:SignalFlagOscar-USNSpec.svg; color should be same as other ICS
International signal flag for the letter "X". Created by Denelson83. {{GPL}} File usage. More than 100 pages use this file. The following list shows the first 100 ...
International signal flag for the letter "N". Created by Denelson83. {{GPL}} File usage. More than 100 pages use this file. The following list shows the first 100 ...