International Maritime Signal Flags

 

 

International Maritime Signal Flags are used to signal between two ships or between ship and shore. They can be used to spell out messages, or used singly or in combinations to convey special messages.

Alphabet Flags

Alpha

Diver below (when stationary) or undergoing a speed trial

. _

Bravo

Taking on or discharging explosives

_ . . .

Charlie

Affirmative (yes)

_ . _ .

Delta

Keep clear, maneuvering with difficulty

_ . .

Echo

Altering course to starboard

.

Foxtrot

Disabled, communicate with me

. . _ .

Golf

I require a pilot

_ _ .

Hotel

I have a pilot on board

. . . .

India

Altering course to port

. .

Juliet

Am going to send a message by semaphore

. _ _ _

Kilo

Stop instantly

_ . _

Lima

Stop, I have something important to communicate

. _ . .

Mike

I have a doctor on board

_ _

November

Negative (no)

_ .

Oscar

Man overboard

_ _ _

Papa

All aboard, vessel is about to put to sea or lights are out (at sea)

. _ _ .

Quebec

My vessel is healthy and I request free practique

_ _ . _

Romeo

The way is off my ship, you may feel your way past me

. _ .

Sierra

My engines are going full speed astern

. . .

Tango

Do not pass ahead of me

_

Uniform

You are standing into danger

. . _

Victor

I require assistance (not distress)

. . . _

Whiskey

I require medical assistance

. _ _

Xray

Stop carrying out your intentions and watch for my signals

_ . . _

Yankee

I am carrying mail

_ . _ _

Zulu

Used to address or call shore stations

_ _ . .

Answering Pennant

Code/Answer

Message is understood. Also, numeric decimal point.

.

Numeric Pennants

0

Numeral Zero

_ _ _ _ _

1

Numeral One

. _ _ _ _

2

Numeral Two

. . _ _ _

3

Numeral Three

. . . _ _

4

Numeral Four

. . . . _

5

Numeral Five

. . . . .

6

Numeral Six

_ . . . .

7

Numeral Seven

_ _ . . .

8

Numeral Eight

_ _ _ . .

9

Numeral Nine

_ _ _ _ .

Substitute Pennants

The first substitute repeats the upper flag or pennant of a hoist, the second substitute repeats the second flag or pennant, and so on.

1st Substitute

Substitute for the first flag in this hoist

.

2nd Substitute

Substitute for the second flag in this hoist

.

3rd Substitute

Substitute for the third flag in this hoist

.

Dressing Ship

Details on Semaphore flags can be found here.

Details on Semaphore flags for kids can be found here.

 

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