International Single Letter Flags

Front 1

Alpha

Back 1

I have a diver down; keep well clear at slow speed

Front 2

Bravo

Back 2

I am taking in, or discharging, or carrying dangerous goods

Front 3

Charlie

Back 3

Yes (affirmative or “The significance of the previous group should be read in the affirmative)

Front 4

Delta

Back 4

Keep clear of me; I am manoeuvring with difficulty

Front 5

Echo

Back 5

I am altering my course to starboard

Front 6

Foxtrot

Back 6

I am disabled; communicate with me

Front 7

Golf

Back 7

I require a pilot. When made by fishing vessels operating in close proximity on the fishing grounds it means: “I am hauling nets”

Front 8

Hotel

Back 8

I have a pilot on board

Front 9

India

Back 9

I am altering my course to port

Front 10

Juliette

Back 10

I am on fire and have dangerous cargo on board: keep well clear of me

Front 11

Kilo

Back 11

I wish to communicate with you

Front 12

Lima

Back 12

You should stop your vessel instantly

Front 13

Mike

Back 13

My vessel is stopped and making no way through the water

Front 14

November

Back 14

No (negative or “The significance of the previous group should be read in the negative”). This signal may be given only visually or by sound. For voice or radio transmission the signal should be “NO”

Front 15

Oscar

Back 15

Man overboard

Front 16

Papa

Back 16

In harbour. All persons should report on board as the vessel os about to proceed to sea.

At sea. It may be used by dishing vessels to mean: “My nets have come fast upon an obstruction”

Front 17

Quebec

Back 17

My vessel is healthy and I request free pratique

Front 18

Sierra

Back 18

My engines are going astern

Front 19

Tango

Back 19

Keep clear of me; I am engaged in pair trawling

Front 20

Uniform

Back 20

You are running into danger

Front 21

Victor

Back 21

I required assistance

Front 22

Whiskey

Back 22

I require medical assistance

Front 23

Xray

Back 23

Stop carrying out your intentions and watch for my signals

Front 24

Yankee

Back 24

I am dragging my anchor

Front 25

Zulu

Back 25

I require a rug. When made by fishing vessels operating in close proximity on the fishing grounds it means: “I am shooting nets”