The International Maritime Signal Flag System
A = Alfa
Diver below (when stationary); I am undergoing
a speed trial
B =
Bravo
I am taking on or discharging
explosives
C =
Charlie
Yes (affirmative)
D =
Delta
Keep clear of me, I am maneuvering 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 =
Juliet
I am going to send a message by
semaphore
K = Kilo
Desire to Communicate
L = Lima
Stop Instantly
M = Mike
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
Request Pratique
R =
Romeo
The way is off my ship. You may feel
you way past me
S =
Sierra
My engines are going full speed astern
T =
Tango
Keep Clear of Me
U =
Uniform
Standing into Danger
V =
Victor
Require Assistance
W =
Whiskey
Require Medical Assistance
X =
X-ray
Stop carrying out your intentions and
watch for my signals
Y =
Yankee
I am carrying mails
Z = Zulu
To be used to address or call shore
stations
