Signals can be sent by flaghoist, signal lamp ("blinker"), flag semaphore, radiotelegraphy, and radiotelephony. The International Code is the most recent evolution of a wide variety of maritime flag signalling systems.

Two sailing ships dressed overall with their signal flags. 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]

Today, Navy signal flags are used when communicating among allied forces, while the ICS is used with all other vessels. The code/answer pennant precedes all signals using the ICS. Navy signalmen transmit messages while maintaining radio …

This International Code of Signals flag Yankee uses alternating diagonal stripes in yellow and red and represents the letter Y. Free to download and print

Yankee "I am dragging my anchor." Z Zulu "I require a tug." By fishing vessels near fishing . Z flag

International signal flag for the letter "Y". Created by Denelson83. This work is ineligible for copyright and therefore in the public domain because it consists entirely of information that is common property and contains no original authorship. Click on a date/time to view the file as it appeared at that time.

Nov 25, 2023 · International signal flag for the letter "Y". Created by Denelson83. This work is ineligible for copyright and therefore in the public domain because it consists entirely of information that is common property and contains no original authorship. Click on a date/time to view the file as it appeared at that time.

Each major seafaring country still publishes the ICS for use of its mariners. The flags listed below are international signals used by ships at sea. They can be used to spellout messages, or used individually or in combination for special meanings.

Sailors and boaters should learn about these flags and their meanings which help communicate with other ships even when they speak a different language to you. Below is an alphabetical and numerical list of all the International Code of Signals Flags (ICS or INTERCO).

This project aims to explore an HTML/CSS implementation of ICS flags. The source code of this project is published as open source; I hope you find the following resources useful: