A -  Diver below keep well clear at slow speed

A000 - Azimuth or bearing

 

B - I am loading carrying or discharging dangerous cargo

 

C - (affirmative)

C000 course

 

D - keep clear of me, I am manoeuvring with difficulty

D00 00 00 - Date

 

E - I am altering my course to starboard

 

F - I am disabled, communicate with me

 

G - I require a pilot - or by fishing vessel - I am hauling my nets7

G0000 - Longitude

 

H - I have a pilot on board

 

I- I am altering my course to port

 

J - I am on fire with dangerous cargo

 

K - I wish to communicate with you

 

L - you should stop instantly

L0000 - Latitude

 

M - my vessel is stopped and making no way

 

N - no (negative)

 

O - man overboard

 

P - All persons report aboard the vessel is about to sail or

 by a fishing vessel – my nets are fast on an obstruction

 

Q - my vessel is healthy and I request free practique

 

R - no single letter meaning

R000 - range or distance in NM

 

S - I am operating astern propulsion

S00 - Speed in Knots

 

T - I am engaged in pair trawling

T0000 - Time Local

 

U - you are standing into danger

 

V - I require assistance

V00 - Speed in K.P.H

 

W - I require medical assistance

 

X - stop carrying out your intentions and watch for my signals

 

Y - I am dragging anchor

 

Z - I require a tug - or by fishing vessel - I am shooting nets

Z0000 - Time UTC

 

 

 

 

 

 

 

Code and answering pennant and fullstop

 

0

 

1

 

2

 

3

 

4

 

5

 

6

 

7

 

8

 

9

 

substitute 1

 

substitute 2

 

substitute 3

 

 

 

THE MORE COMMON OF THE TWO LETTER CODE SIGNALS

AA

Repeat all after………

AB

Repeat al before………

AC

I am abandoning my vessel

AE

I must abandon my vessel.

AN

I need a doctor.

AP

I have…….. (the number) casualties

BR

I require a helicopter urgently

CB

I require immediate assistance

CDW

I require medical assistance

CJ

Do you require assistance?

CN

You should give all possible assistance.

CQ

Call for unknown station or general call to all stations.

DC

Boat should endeavour to land where flag is waved or light is shown.

DD

Boats are not allowed to come alongside.

DV

I am drifting

DX

I am sinking (lat ...long...if necessary)

EF

SOS/MAYDAY has been canceled

EL

Repeat the distress position.

FA

Will you give me my position?

GW

Man overboard. Please take action to pick him up

JI

Are you aground?

JL

You are running the risk of running aground.

JW

I have sprung a leak.

KN

I cannot take you in tow.

LN

Light (name here) is not functioning.

LO

I am not in my correct position ( used by a lightship)

LR

Bar is not dangerous.

LS

Bar is dangerous.

MF

Course to reach me is....

MG

You should steer course....

NC

I am in distress and require immediate assistance

NF

You are running into danger.

NG

You are in a dangerous position.

PD

Your navigation light(s) is (are) not visible

PP

Keep well clear of me

PP6

Do not pass too close to me

QD

I am going ahead

QI

I am going astern

QQ

I require health clearance

QU

Anchoring is prohibited

QX

I request permission to anchor

RU

Keep clear of me; I am maneuvering with difficulty

RY

You should proceed at a slow speed when passing me (or vessels making this signal)

SO

You should stop your vessel instantly

UM

The Harbor (or port indicated) is closed to traffic

UP

Permission to enter Harbor is urgently requested. I have an emergency case

YU

I am going to communicate with your station by means of the International Code of Signals

ZL

Your signal has been received but not understood