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Nautical Flags

Flag Letter Meaning
A Alfa Diver below (when stationary); Keep clear
B Bravo I am taking on, discharging, or carrying dangerous cargo
C Charlie “Yes” or “affirmative”
D Delta I am maneuvering with difficulty; keep clear
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 on fire and have dangerous cargo; keep clear
K Kilo I wish to communicate with you
L Lima You should stop your vessel immediately
M Mike My vessel is stopped (Not international but commonly used: Doctor on board)
N November “No” or “negative”
O Oscar Man overboard
P Papa All personnel return to ship; about to sail – the Blue Peter
Q Quebec Ship meets health regulations; request clearance into port
R Romeo None (previous meaning: The way is off my ship. You may feel your way past me)
S Sierra I am moving astern
T Tango Keep clear (Not international but commonly used: Request for club launch)
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
Z Zulu I require a tug
Numerical Flags
0 Zero
1 One
2 Two
3 Three
4 Four
5 Five
6 Six
7 Seven
8 Eight
9 Nine
Specialty Flags
Absent Absent
Dinner Dinner
Diver Diver
Guest Guest
Protest Protest
Quarentine Quarentine
Storm Storm warning – Gale