Search results
Results from the WOW.Com Content Network
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.
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.
A ship's message had to be approved by the officer of the watch, and his system was augmented and changed in various ways over the following century. In 1790, Admiral Lord Howe issued a new signal book for a numerary system, using numeral flags to signal a number; the number indicated the message, not the mast from which the flags flew.
Naval flag signalling undoubtedly developed in antiquity in order to coordinate naval action of multiple vessels. In the Peloponnesian War (431 – 401 BCE) squadrons of Athenian galleys were described by Thucydides as engaging in coordinated maneuvers which would have required some kind of communication; [1] there is no record of how such communication was done but flags would have been the ...
Flags of the World Comprehensive flag information. International Code of Signals For Visual, Sound and Radio Communications United States Edition, 1969 (Revised 2003) John Savard's flag page. Collection of different flag systems. Flag Signalling at Sea Nice article by Captain Barrie Kent, Royal Navy. Signal Corps Association 1860 ~ 1865
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
A US Navy crewman signals the letter 'U' using flag semaphore during an underway replenishment exercise (2005). Flag semaphore (from the Ancient Greek σῆμα (sêma) 'sign' and - φέρω (-phero) '-bearer' [1]) is a semaphore system conveying information at a distance by means of visual signals with hand-held flags, rods, disks, paddles, or occasionally bare or gloved hands.
Once Morse code became an international standard, the British dropped the Myer code for wigwag signaling and used Morse instead with the flag movements indicating dots and dashes. The French had a slight variation of that, using a single flag for dot and two flags for dash .