International signal flags

The following are the meanings of the International Signal Flags

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A B C D E
I have a diver down, keep well clear at slow speed I am taking in, discharging, carrying dangerous goods Yes Keep clear of me, I am manoeuvering with difficulty I am altering my course to starboard
F G H I J
I am disabled, communicate with me I require a pilot. On Fishing vessels, I am hauling nets I have a pilot on board I am altering my course to port I am on fire with dangerous cargo on board, Keep clear
K L M N O
I wish to communicate with you You should stop your vessel instantly My vessel is stopped - not making way through water No alternative meaning Man overboard
P Q R S T
In Harbour, all persons should report on board as the vessel is about to proceed to sea My vessel is healthy and I request free pratique No alternative meaning I am operating astern Keep clear of me, I am engaged in pair trawling
U V W X Y
You are running into danger I require assistance I require medical assistance Stop carrying out your intentions - watch my signal I am dragging my anchor
Z
I require a tug. On a Fishing vessel, I am shooting nets
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