| Phonetic
Alphabet | Morse
Code | Semaphore | International
Maritime Flags | Meaning |
A | ALPHA |  |  |  | Diver below (when stationary); I am undergoing a speed trial |
B | BRAVO |  |  |  | I am taking on or discharging explosives |
C | CHARLIE |  |  |  | (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 | JULIET |  |  |  | I am going to send a message by semaphore |
K | KILO |  |  |  | you should stop your vessel instantly |
L | LIMA |  |  |  | you should stop, I have something important to communicate |
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 |  |  |  | my vessel is healthy and I request free practique |
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 |  |  |  | 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 carrying mails |
Z | ZULU |  |  |  | to be used to address or call shore stations |
| Error Signal | |  | | |
1 | ONE |  | |  | |
2 | TWO |  | |  | |
3 | THREE |  | |  | |
4 | FOUR |  | |  | |
5 | FIVE |  | |  | |
6 | SIX |  | |  | |
7 | SEVEN |  | |  | |
8 | EIGHT |  | |  | |
9 | NINE |  | |  | |
0 | ZERO |  | |  | |
| | | |  | Code and answering pennant |
| | | |
| N + C- I am in distress
|
