Signal

A with three numerals
C with three numerals
D with two, four or six numerals
G with four or five numerals

Signal

K with one numeral
L with four numerals
R with one or more numerals
S with one or more numerals

Signal

T with four numerals
V with one or more numerals
Z with one numeral
Z with four numerals

Distress - emergency
Abandon

AA
AB

AC
AD
AE

AE 1
AE 2

AF
AF 1

AH
AI

Assistance
Required

NC (Imp)
CB (Imp)

CB 1
CB 2
CB 3

CB 4
CB 5
CB 6

CB 7
CB 8

CC (Imp)

v

CD

W

CE

BF

CG

CG1

HM

Cl
CH
CH 1
CH 2

CJ
CJ 1
CJ 2
CJ 3
CJ 4

Not required - declined
CK
CL

Proceeding to assistance
CP
CP1
* CQ

CR
*CS

CV 4 - Can you assist?
*Can you offer assistance?
*I shall abandon my vessel unless you will remain by me, ready to assist.
*I cannot get the fire under control without assistance.
*I can get the fire under control without assistance.

*Can you get the fire under control without assistance!
*I have placed the collision mat. I can proceed without assistance.
*I cannot take you (or vessel indicated) in tow but I will report you and ask for immediate assistance.
*I cannot steer without assistance.