Semaphore

 

 

A or 1
B or 2
C or 3
D or 4
E or 5
F or 6
G or 7
H or 8
I or 9
J or
Alphabetic
K or
0 Zero
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
Numerical
Annul
Notes
 
Semaphore flag are usually red and yellow for signalling between ships at sea and blue and white for signalling to and from land
 
When you see the “Numerical” flag it means that everything after is a number. When the letter J (Alphabetic) flag is shown in the number, it means that the number is finished and the next sequence is alphabetic.

 

Error
Interval
International Maritime
Signal Flags
Distress Flags
...N
.... Above
...C
I am in distress

More details on the International Maritime Signal Flags can be found here.

 

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