Meanings of International Maritime Signal Flags P – the Blue Peter – all aboard, vessel is about to proceed sea. (At sea) your Code and answering pennant. Handmade sewn or printed signal flags, order online from size 1 – 11, professional quality MoD Grade fabric. Huge range of fittings. Full set of 40 available. Maritime flags are an important way of communication out at sea. They require no means of verbal communication and make a message clear for all vessels.

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For instance, the master of a ship may wish to communicate with another ship, where his own radio may not be working or the other ship’s call sign is not known or the other amd may not be maintaining a radio watch. The numerals 6, 7, 8, pennantss, and 0 were introduced by five flzgs flags, and there were three new substitute flags added.

They are used to indicate that ships or formations should take immediate actions or maneuvers, including emergency actions. Port Used in conjunction with a maneuvering flag to indicate direction. This new edition was completed in and was adopted by the International Radiotelegraph Conference held in Madrid in If you are on a power boat with no mast, the “Q” flag can be displayed on the bow.

International Signal Code Flags- Nautical Signal Flags

Six-flag signals are used when necessary to indicate north or south or east or west in latitude and longitude signals. See Foreword [ permanent dead link ]. RU – Keep clear of me; I am maneuvering with difficulty.

Even where there are no language problems, the Penannts Signal Code is useful in providing a standard method of case description and treatment.

The substitute flags are the same length but triangular in pennamts. The International Radiotelegraph Conference at Washington in considered proposals for a new revision of the Code, including preparation in seven languages: Arms are kept straight when changing from one position to the next. Julian—Gregorian uncertainty All articles with dead external links Articles with dead external links from January Articles with permanently dead flage links.


This page was last edited on 24 Octoberat Message has been received and understood the flag is then hauled back at the dip to receive the next hoist Hauled down: The positions resemble a clock face divided into eight positions for each of the left and right hands.

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International Maritime Signal Flags

Also called signaling flags, they are a set of flags of different colors, shapes and markings which used singly or in combination have different meanings. International Flag that follows is from the International Code of Signals. Flotilla or Group This flag is used to either address or identify specific units when other flags are added to them.

All the above flags, except the Numeral Flags, are actually classified as Special Flags and Pennants.


They can be used to order an action or convey flaga. At the dip about half-way up the halyard: With three numerals, azimuth or bearing. One simply raises the Kilo flag see diagram at the topor sends the Morse Code equivalent dash-dot-dash by flashing light; this has the assigned message of “I wish to communicate with you.

Five-flag signals are those relating to time and position. Flags are often used in combination with others and this provides an extensive vocabulary.

Naval Institute Proceedings60 One-flag signals are urgent or very common signals see meanings below. PP – Keep well clear of me. In Japanese coding at the time, the flag meant, “The Empire’s fate depends pennanfs the result of this battle, let every man do his innternational duty. The first 2 digits denote hours; the last 2 denote minutes.


Eighteen separate signal flags see chart were used to make over 70, possible messages.

Historical Flags of Our Ancestors – NATO Signal Flags

The high-quality, colourful screen printed code flags are x mm in size. International flags Latin-script representations Maritime flags Nonverbal communication Optical communications Signal flags. Three code flag substitutes are available to repeat the first flag or pennant in the same hoist. Repeat flags are a way of indicating that a letter is repeated without having to stock many copies of the flag.

Signals can be sent by flaghoistsignal lamp “blinker”flag semaphoreradiotelegraphy, and radiotelephony. The Code was drafted in by the British Board of Trade and published in The first two denote degrees and the rest minutes.

This flag should be hoisted on the starboard spreader.

General Recall in a sailing regatta. Retrieved 1 June — via National Library of Australia. The Signal flags have a international meaning but some countries have added additional messages to the flags. Jurchen Khitan large script Sui Tangut.

Coaxial cable Fiber-optic communication Optical fiber Free-space optical communication Molecular communication Radio waves Transmission line. It should be noted that NATO can assign different classified meanings to any of their signal flags and combinations of these flags depending on their current mission.

Substitutes or more accurately repeats the first flag in the row of flags. Views Read Edit View history. Besides being a letter of the alphabet, a flag can communicate a message, such as a red and internattional signal flag means H, but also “I have a pilot on board”.

It is usually appropriate to fly the U. The code was tested during WW1 and a new code of signals introduced in