A (Alpha) - Diver below (when stationary); I am undergoing a speed trial
B (Bravo) - I am taking on or discharging explosives (Dangerous Cargo)
C (Charlie) - Yes (affirmative)
D (Delta) - Keep clear of me, I am manoevering with difficulty
E (Echo) - I am altering my course to starboard
F (Foxtrot) - I am disabled, communicate with me
G (Golf) - I require a pilot
H (Hotel) - I have a pilot on board
I (India) - I am altering my course to port
J (Juliett) - On Fire; Keep Clear - I am going to send a message by semaphore
K (Kilo) - Desire to Communicate
L (Lima) - you should stop, I have something important to communicate
M (Mike) - I am Stopped ; I have a doctor on board
N (November) - No (negative)
O (Oscar) - Man overboard
P (Papa) - the Blue Peter - all aboard, vessel is about to proceed sea. (At sea) your lights are out or burning badly
Q (Quebec) - my vessel is healthy and I request free practique
R (Romeo)- the way is off my ship. You may feel your way past me
S (Sierra) - my engines are going full speed astern
T (Tango) - do not pass ahead of me
U (Uniform) - you are standing into danger
V (Victor) - I require assistance (not distress)
W (Whiskey) - I require medical assistance
X (Xray) - stop carrying out your intentions and watch for my signals
Y (Yankee) - I am dragging anchor; I am carrying mails
Z - to be used to address or call shore stations; Require a tug