masthead
A  I have a diver down, keep well clear at slow speed B  I am taking in, discharging or carrying dangerous goods C  Yes or the significance of the previous group should be read in the affirmative  
A
I have a diver down, keep well clear at slow speed
B
I am taking in, discharging or carrying dangerous goods
C
Yes or the significance of the previous group should be read in the affirmative
 
D  Keep Clear, I am manoeuvring with difficulty E  I am altering my course to starboard F  I am disabled, communicate with me  
D
Keep Clear, I am maneuvering with difficulty
E
I am altering my course to starboard
F
I am disabled, communicate with me
 
G  I Require a Pilot or if used by fishing vessels in close proximity means I am hauling nets H  I have a Pilot onboard I  I am altering my course to port  
G
I Require a Pilot or if used by fishing vessels in close proximity means I am hauling nets
H
I have a Pilot on
I
I am altering my course to port
 
J  I am on fire and have dangerous cargo on board, keep well clear of me K  I wish to communicate with you L  You should stop your vessel instantly  
J
I am on fire and have dangerous cargo on board, keep well clear of me
K
I wish to communicate with you
L
You should stop your vessel instantly
 
M  My vessel is stopped and making no way through the water N  No or the last group should be read in the negative O  Man overboard  
M
My vessel is stopped and making no way through the water
N
No or the last group should be read in the negative
O
Man overboard
 
P  In Harbour, proceed on board the vessel is about to depart at sea may be use by fishing vessels to mean my nets are caught on an obstruction Q  My vessel is healthy and I require free pratique R   
P
In Harbour, proceed on board the vessel is about to depart at sea may be use by fishing vessels to mean my nets are caught on an obstruction
Q
My vessel is healthy and I require free pratique
R
 
S  I am operating astern propulsion T  Keep clear of me I am involved in pair trawling U  You are running into danger  
S
I am operating astern propulsion
T
Keep clear of me I am involved in pair trawling
U
You are running into danger
 
V  I require assistance W  I require medical assistance X  Stop carrying out you intentions and watch for my signals  
V
I require assistance
W
I require medical assistance
X
Stop carrying out you intentions and watch for my signals
 
Y  I am dragging my anchor Z  I require a tug or if made by fishing vessels in close proximity may mean I am shooting nets
Y
I am dragging my anchor
Z
I require a tug or if made by fishing vessels in close proximity may mean I am shooting nets