A — Alfa
I have a diver down; keep well clear at slow speed.
🚩 Meanings shown are for the flag flown alone. Combined with other flags or numeral
pennants, the same letter can mean something completely different — see the full International Code of Signals for
combination signals.
🔍
Signal flags
26 of 26 flagsB — Bravo
I am taking in, discharging or carrying dangerous goods.
C — Charlie
Affirmative (yes).
D — Delta
Keep clear of me — I am manoeuvring 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. (Fishing vessel: hauling nets.)
H — Hotel
I have a pilot on board.
I — India
I am altering my course to port.
J — Juliett
I am on fire, or leaking dangerous cargo — keep well clear.
K — Kilo
I wish to communicate with you.
L — Lima
You should stop your vessel instantly.
M — Mike
My vessel is stopped and making no way.
N — November
Negative (no).
O — Oscar
Man overboard.
P — Papa
"Blue Peter" — about to proceed to sea; all aboard.
Q — Quebec
My vessel is healthy — request free pratique.
R — Romeo
No single-flag meaning in the current code.
S — Sierra
I am operating astern propulsion.
T — Tango
Keep clear of me — engaged in pair trawling.
U — Uniform
You are running into danger.
V — Victor
I require assistance.
W — Whiskey
I require medical assistance.
X — Xray
Stop carrying out your intentions; watch for my signals.
Y — Yankee
I am dragging my anchor.
Z — Zulu
I require a tug. (Fishing vessel: shooting nets.)