The system of seinvlaggen, the international standard of maritime signaalvlaggen, includes hang out the flag for all characters of the alphabet, plus the figures. The meaning of hangs out the flag is by IMO universally fixed.
Seinvlaggen were in former days the manner of to communicate between ships, this communication is still used but has been nevertheless mainly dissipated by the more modern forms, particularly the radio communication.
Everyone of individual hangs out the flag also a specific meaning for a ship in a certain situation has. A ship which flies the yellow q flag for example, has a contagious sickness to border.
A special meaning has hoisting c and n (yes and no) at the same time, which gives the ship in need to that finds oneself.
Hang out the flag have also from time to time another meaning, a is for example hoisted when a ship has a plunger overboard.
In zeilraces become hang out the flag also uses, but then they have an entirely own meaning. P is for example used for announcing the preparation to the start (prepatory), the s for a shortened (shortened) game.
|A||Pay attention to, reserve good, sail slowly||B||I transport dangerous goods|
|C||Yes (confirming)||D||I am possible difficult manoevreren|
|E||I change of rate to||F||I am upset, make connection with me|
|G||I have necessary||H||I have a hut to border|
|I||I change of rate to||J||I stand in fire, keep distance|
|K||I have a bulletin for you||L||You must stop your ship immediately|
|M.||My ship lies quiet||N||No (negatively)|
|O||Man overboard||P||All crew members must communicate themselves to border: voorbreiden to put sail (Blue peter)|
|Q||R||You can incur carefully|
|S||I beat reverse||T||Reserve of me|
|You||You send a dangerous rate||V||I need aid|
|W||I have medical aid necessary||X||Interrupt your dealing|
|Y||I drag my anchor concerning the ground||Z||I have necessary|
|<||answer flag||v1||First replacement streamer|
|v2||Second replacement streamer||v3||Third replacement streamer|
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