Following is the table of special task organization
Meaning
visual call signs listed in ACP 129.
Call sign
Meaning
(Numeral flag)
Ø
Commander Task Force No.
1
*Commander Task Group No.
2
*Commander Task Unit No.
3
*Commander Task Element No.
4
Commander
Fleet
5
6
Task Force No.
7
*Task Group No.
8
*Task Unit No.
9
*Task Element No.
* Within own task organization
Examples:
6p4p5 . . . Task Force 45
8p3 . . . . . . Task Unit 3 (within own Task Group)
9p2D . . . . Destroyers of Task Element 2 (within
own Task Unit)
3p6. . . . . . Commander Task Element 6 (within
own Task Unit)
The special task organization call signs in the
previous list have been extended to intra-USN
messages transmitted by flashing light.
Examples:
CTF 50. . . . . Zero p5p0
CTG 50.3 . . . . . One p3
COMSIXTHFLT. . . . . Four p6
TF 50. . . . . Six p5p0
TG 50.3.5 . . . . . Seven p5
CONVOY VISUAL CALL SIGNS.—Convoy
visual call signs are contained in ATP 2, volume 2, or
appropriate national or regional defense organization
publications.
GOVERNMENT SIGNAL STATIONS.—On
shore or on lightships, use the letter G as the visual
call sign to call any or all the senior men-of-war.
SHORE SIGNAL STATION.—In compliance with
international procedure, the letter K (with complement if
desired) is used to call or address shore stations.
MILITARY SIGNAL STATION.—The
following assignments are reserved for the signal
station indicated:
Call sign
HpØ
Hp1
Hp2
Hp3
Hp4
Hp5
Hp6
Hp7
Hp8
Hp9
Hp1pØ
Hp1p1
Hp1p2
Hp1p3
Hp1p4
Hp1p5
Hp1p6
Hp1p7
Hp1p8
Hp1p9
Hp2pØ
Hp2p1
Hp2p2
Hp2p3
Hp2p4
Hp2p5
Hp2p6
Hp2p7
Hp2p8
Hp2p9
Hp3pØ)
)
)
)
Hp3p9)
Commander in chief
Harbor entrance control post/port war
signal station (HECP/PWSS) (main
signal station)
HECP/PWSS (secondary auxiliary signal
station)
Port director
Senior officr present afloat (SOPA)
(when ashore)
SOPA administrative (when
ashore)
Flag officer, second in command
Commander naval district
Commander naval base
Commander naval operating
b a s e
Commander naval shipyard
Commander sea frontier
Commander air station
Commander amphibious base
Commander section base
Commander submarine base
Degaussing station No. 1
Degaussing station No. 2
Degaussing station No. 3
Degaussing station No. 4
Deperming station No. 1
Deperming station No. 2
Reserved for local assignment by
competent authority to shore signal
stations not covered herein.
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