Tactical comms

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MARITIME COMMUNICATION
LAB
TMT 1241
TACTICAL COMMUNICATION
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• TASK ORGANSATION - Whenever two or more ships
are operating together a task organization is needed to
delineate responsibility and establish a well defined
tactical chain of command. Each task organization will
consist of a:
1. Task Forces (TF)
2. Task Groups (TG)
3. Task Units (TU)
4. Task Elements (TE)
• TYPE ORGANIZATION. This organization is used
mainly for administrative purposes.

CTF 35
PANGLIMA ARMADA
KD JEBAT KD KASTURI KD MAHAMIRU KD HANDALAN
KD LEKIU KD LEKIR KD JERAI KD GEMPITA
KD PERANTAU KD PERDANA KD LEDANG KD PERKASA
KD GANAS KD KINABALU KD MAHAWANGSA PASKAL
TF 35
KEPT MU’ADZ B. ISA TLDM
(PM KD JEBAT)
CTG 35.1
KEPT IZHAR B. MAT ISA TLDM
(PM KD KASTURI)
CTG 35.2
KDR WOON BOON WEI TLDM
(PM KD MAHAWANGSA)
CTG 35.3
KD JEBAT KD LEKIU
KD PERANTAU, KD GANAS,
KD KINABALU
TG 35.1
KD KASTURI, KD LEKIR,
KD PERDANA, KD MAHAMIRU
KD HANDALAN
TG 35.2
KD MAHAWANGSA, KD JERAI,
KD LEDANG, KD GEMPITA
KD PERKASA
TG 35. 3
LT KDR MOHD
RASHID B. SHAHRIL
TLDM
(PM PASKAL)
CTG 35.4
PASKAL
TG 35.4
PM KD KINABALAU
CTU 35.1.1
KD KINABALU
TU 35.1.1
PM KD MAHAMIRU
CTU 35.2.1
KD MAHAMIRU
TU 35.2.1
PM KD JERAI
CTU 35.3.1
KD JERAI, KD LEDANG
TU 35.3.1
OC TIM EOD ALPHA
CTE 35.1.1.1
TIM EOD ALPHA
TE 35.1.1.1
OC TIM EOD BRAVO
CTE 35.2.1.1
TIM EOD BRAVO
TE 35.2.1.1
OC TIM EOD CHARLIE
CTE 35.3.1.1
TIM EOD CHARLIE
TE 35.3.1.1
OC TRUP TEMPUR
CTU 35.4.1
TRUP TEMPUR
TU 35.4.1
OC TEMPUR 1
CTE 35.4.1.1
TEMPUR 1
TE 35.4.1.1
TU 35.1.1 TU 35.2.1 TU 35.3.1 TU 35.4.1

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• OTC - The senior officer present or the officer to whom
he has delegated tactical command.
• FLEET - An organization of ships, aircraft, marine
forces and shore based fleet activities, all under the
command of a commander or command in chief who
may exercise operational as well as administrative
control.

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• TYPE - Ships are divided into types depending on their
basic characteristics. Types may be further divided into
classes of ships having the same details of design.
• TYPE ORGANIZATION - The allocation of ships,
normally of the same type, into flotillas, squadrons, divisions
and subdivisions.
• FLOTILLA - An administrative or tactical organization
consisting of two or more squadron together with such
additional ships as may be assigned as flagships or tenders.
• SQUADRON - An administrative or tactical organization
consisting of two or more divisions of ships, plus such
additional ships as may be assigned as flagships or tenders.

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• DIVISION - A type organization consisting of two or more
ships, which for tactical purposes may be further divided
into subdivisions.
• TASK FORCES - A components of a fleet organized by
the commander of a task fleet or higher authority for the
accomplishment of a specific task or tasks.
• TASK GROUP - A component of a task force organized
by the commander of task force or higher authority.
• TASK UNIT - A component of a task group organized by
the commander of task group or higher authority.
• TASK ELEMENT - A component of a task unit organized
by the commander of task unit or higher authority.

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• LARGE SHIP - A ship larger than a destroyer (over 450
feet in length).
• SMALL SHIP - A destroyer (under 450 feet in length) or
smaller ship.
• UNIT - A single ship/aircraft or a small number of
ship/aircraft operating as an entity for maneuvering
purposes.
• FORMATION - An ordered arrangement of two or more
ships or units proceeding together.
• DISPOSITION - An ordered arrangement of two or
more formations proceeding together.

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• MAIN BODY - The principle ships of a formation which
normally has screen.
• SCREEN - A peripheral arrangement of ships whose
function is to protect a main body or convoy.
• LINE - A type of formation in which ships are formed along
straight line extending in any direction from the line guide. A
line can be formed in:
1. Column – Ships formed directly ahead or astern of the
line guide.
2. Line abreast – Ships formed directly abeam of the
line guide.
3. Line of Bearing – Ship formed in a line with a relative
direction from the line guide other
than directly ahead, astern or abeam.

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• GUIDE - A ship on which other ships take station when
forming keep station when formed up.
• THE GUIDE - The guide is the ship on which all units of
a given formation and all formation guides in a
disposition take and keep station.
• FORMATION GUIDE - A ship in each formation on
which the units in that formation take and keep station.

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• LINE GUIDE - When ships are formed in more than one
line, the lin e guide is the ship which occupies the station
in her own line corresponding to that occupied by the
Guide’s line.
• PIVOT SHIP - The pivot ship of a line is the wing whip in
that line the side toward which a wheel is being made.
• PIVOT COLUMN - The pivot column is the wing column
toward which the wheel is being made.

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Ships can be formed in single line, multiple line, circular,
or more complex (operational) formations.
SINGLE LINE. Although a single line consists of only one
unit, it may comprise two or more components such as
divisions or subdivisions.
• Column
• Line abreast
• Loose line abreast
• Line of bearing
• Loose line of bearing
• Loose line of column
• Column open order
• Diamond

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There are several basic line of formations:
• COLUMN. In a column formation ships are formed in a
line, bow-to-stem, with station 1 the lead ship in the
line. Subsequent stations in the line are directly astern
station 1 and are numbered sequentially (stations 2, 3,
4, etc.). The bearing between stations in the line is the
same as the course of the column formation.

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FORMATION 1
Form column in order of sequence number
1
2
3
4

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FORMATION 2
Form column in reverse order of sequence
number
4
3
2
1

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• LINE ABREAST. In a line abreast formation ships are
formed in a line, beam to beam, with station 1 at one
end of the line. If subsequent stations (stations 2, 3, 4,
etc.,) are to starboard of station 1 the formation is a
line abreast to starboard. If subsequent stations are to
port of station 1 the formation is a line abreast to port.
The bearing between stations in the line is
perpendicular to the course of the line abreast
formation.

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FORMATION 3
Line abreast to STARBOARD
1
2 3 4

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FORMATION 4
Line abreast to PORT
1
3 2
4

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• LINE OF BEARING. In a line of bearing formation
ships are formed in a line with station 1 at one end of
the line. Subsequent stations (stations 2, 3, 4, etc.)
are aligned along the designated line of bearing. The
bearing is designated either as the true bearing (e.g.,
FORM 120, FORM 235) or as the relative bearing
between the course of the formation and the desired
line of bearing using the signal FORM followed by
PORT or STARBOARD and a number of tens of
degrees (e.g., FORM PORT 15, FORM STARBOARD
13.5).

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1
2
3
4
Relative Bearing
150
North
150 
Relative
1
2
3
4
North
160 
True
True Bearing
160
Course 030 
//FORMATION STBD 15//
//FORMATION 160  //

1
2
3
4
5
6
7
8
1st Division 2nd Division
D = Distance
I = Interval
FORMATION 5
Division in column to
STBD, division guides
bearing abeam

1
2
3
4
5
6
7
8
D = Distance
I = Interval
FORMATION 6
Division in column to PORT,
division guides bearing
abeam

1
2
3
4
5
6
7
8
D = Distance
I = Interval
FORMATION 7
Subdivision in column to STBD, subdivision guides bearing abeam

7
8
5
6
3
4
1
2
1st Division
2nd Division
D = Distance
I = Interval
FORMATION 8
Subdivision in column to PORT, subdivision guides bearing abeam

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FORMATION 9
Division in line abreast to STARBOARD, division guides
bearing astern
1 2 3 4
5 6 7 8
1st Division
2nd Division
D = Distance
I = Interval

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FORMATION 10
Division in line abreast to PORT, division guides bearing
astern
4 3 2 1
8 7 6 5
1st Division
2nd Division
D = Distance
I = Interval

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FORMATION 11
Subdivision in line abreast to STBD,
subdivision guides bearing astern
3 4
1 2
7 8
5 6
1
st
Division
2
nd
Division
D = Distance
I = Interval

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FORMATION 12
Subdivision in line abreast to PORT,
subdivision guides bearing astern
3 4
2 1
8 7
6 5
1
st
Division
2
nd
Division
D = Distance
I = Interval

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Each ship is allocated a number, called its sequence
number, to indicate its position in the line. The allocation
is made by the unit commander after taking into
consideration such various factors as the relative seniority
of commanding officers, differences in ships’
characteristics, and other matters.

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• Method Of Measurement. The distance between
adjacent ships is measured between their foremasts, or
between navigation bridges of ships without foremasts.
• Adjacent Ships of Similar Type. For the sake of
uniformity, the distance between adjacent ships of similar
type when forming a line will be as follows, unless otherwise
ordered:
Type Standard Distance (Yards)
Very Large Ship - 1000 yards
Large Ship - 500 yards
Small Ship - 300 yards

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The distance between lines (interval) is the distance
between their respective guides. Maneuvering Interval
(MI) is the sum of the standard distances in the longest
line, plus one standard distance.

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Extended manoeuvring interval is manoeuvring interval
plus 500 yards, unless otherwise ordered, to allow for
station keeping errors.

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Turn-Together
• Altering Course By Turning Together - Turn
Signals.
• A turn together is a manoeuvre in which all ships
turn simultaneously, thus maintaining their true
bearings and distances from the Guide.

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Ordering a Turn
a. Indicating Direction. The side to which a turn is to be made
is indicated by the use of the PORT flag or the STARBOARD
pennant relative to the numeral flags.
b. Indicating Amount of Turn. The amount to turn is indicated
in one of two ways:
(1) By three numerals, giving the true course to which ships are
to turn
(2) By one or two numerals, giving in tens of degrees the turn
relative to the present course. The ANSWER pennant can be used
to indicate Turns to within five degrees. (It is advisable that
consecutive turns by this method should not be made. After one
such turn the next turn should be ordered for a specified direction
using three numerals.)

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Altering Course By Wheeling - CORPEN Signals.
To Wheel is to alter course in such a manner that on
completion of the manoeuvre all ships will be in their former
relative position.
Ordering A Wheel.
a. Indicating Direction. The side to which the wheel is to
be made is indicated with the use of the PORT flag or the
STARBOARD pennant relative to the numeral flags.
b. Indicating Amount of Wheel. The amount of the
wheel is indicated in one of two ways:

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1. By three numerals, giving the true course to which the
wheel is to be made.
2. By one or two numerals, giving the number of tens of
degrees ships are to wheel relative to the present
course.

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Restrictions on Wheeling:
a. Wheels are prohibited:
(1) When ships are in a circular formation
(2) When ships are formed on a line of bearing
(3) When (in multiple line formations) Line Guides are
neither astern nor abeam of each other, except
that each line may be ordered to wheel simultaneously
b. The amount of wheel is limited:
(1) When ships are in single column, to 180 degrees
(2) When ships are in single line abreast, to 90 degrees

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Wheeling in Single Column
a. Execution of Manoeuvre: The leading ship is to alter to the
new course and becomes Guide. The remaining ships are to follow
round in her wake.
CAUTION ! ! !
• A ship turning outside the wake should not swing beyond the
new course, but should remain steadied parallel to the new course.
She should then wait until the next ship astern has completed her
wheel before gradually regaining station.
• A ship turning inside the wake may ease her rudder as soon as
her mistake becomes apparent. It must be realised that a reduction
in speed will probably be necessary to avoid coming dangerously
close to the next ship ahead.

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Wheeling in Single Column
b. Leading Ship Altering Course Without Signal. When
the leading ship of a column is Guide and alters course without
signaling the alteration, the remaining ships of the column are
to follow in the wake of the leading ship, unless the leading
ship has signaled breakdown, or man overboard, or has
signaled to disregard her movements. When the leading ship
is not the Guide and alters course without signaling, all other
ships in formation should disregard this movement and remain
in formation.

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Wheeling In Single Line Abreast.
The Pivot ship is to alter to the new course and becomes
Guide. Remaining ships are to:
a. Increase speed as necessary up to stationing speed to
complete the manoeuvre expeditiously.
b. Alter course independently to regain by the most direct
route their previous relative bearings and distances
from the Pivot ship.
c. Adjust their course and speed to that of the Pivot ship.

1
2
3
4
IX//CORPEN STBD 150//
150 
3
2
1
4

1
2
3
4
IX//CORPEN STBD 045//
045 
1
2
3
4
1
2
3
4
North

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a. Ordering. At the same time that the OTC orders the wheel,
he may reduce the speed of the pivot ship or pivot column,
to expedite the completion of the maneuver.
b. In Column With Line Guides Bearing Abeam. If the
speed is thus reduced when in columns with line guides
bearing abeam, all ships of the pivot column are to proceed
at the new signalled speed at the same time as the Guide.
c. In Line Abreast With Line Guides Bearing Astern. In this
situation all lines except the leading line are to proceed at
the new signalled speed at the same time as the Guide.

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After
Course
Method
Formation Rules Course
Change Limits
TURN All All ships alter course together and
maintain true bearing and distance to
Guide
None
CORPEN
Single
Column
1. Lead ship automatically becomes
Guide.
2. Guide alters heading to new course.
3. Remaining ships follow in the wake
of the Guide.
180
Multiple
Column
1. Lead ship in column toward new
course becomes formation Guide and
line guide.
2. Lead ship in other columns become
line guides.
3. Formation Guide alters heading to
new course.
4. Line guides maneuver to maintain
relative bearing to formation Guide.
5. Remaining ships follow in the wake
of their line guides.
180

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After
Course
Method
Formation Rules Course
Change Limits
CORPEN
Single Line
Abreast
1. Ship on end toward new course
becomes Guide.
2. Guide alters heading to new course.
3. Remaining ships maneuver to
maintain relative bearing to Guide.
90
Multiple
Line
Abreast
1. Ship on end of lead line toward new
course becomes formation Guide and
line guide.
2. End ship in other lines becomes line
guides.
3. Formation Guide alters heading to
new course.
4. Line guides follow in the wake of the
formation Guide.
5. Remaining ships maneuver to
maintain relative bearing to line guides.
90
Column
Open Order
1. Lead ship atomically becomes Guide.
2. Remaining ships form column astern
the Guide.
3. Follow rules for column formations.
180

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a. Ship Being Formed On. If a ship is being formed on, that
ship becomes the Guide.
b. Ship Becoming Pivot. If a ship becomes the pivot for
manoeuvre , that ship becomes the Guide.
c. Wheel Signal, Single Column/Diamond. If a wheel
signal is executed when in single column or in diamond
formation, the leading ship becomes the Guide.
d. Wheel Signal, Multiple Columns. If a wheel signal is
executed when ships are in multiple columns, the leading
ship of the pivot column becomes the Guide.

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e. Wheeling Simultaneously, Multiple Lines. If each line is
ordered to wheel simultaneously, the leading ship or pivot ship of
each line becomes line guide. The leading ship (or pivot ship) of the
line containing the previous Guide becomes the new Guide. The
particular example of this manoeuvre with ships in column and line
guides bearing abeam.
f. Line Being Formed On. If a line is being formed on, the guide
of that line becomes the Guide.
g. Guide Hauling Out. If a line guide makes the signal to
disregard his movements and hauls out of the line, the next ship in
that line is to become guide of that line. If the line guide is not at the
end of his line, the next ship to starboard in his line is to become line
guide, depending on whether the formation is in column(s) or in line-
abreast/line-of-bearing, respectively. In the case of the Guide
hauling out, the new guide of that line is to become the Guide.

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h. Guide Ceases To Be Line GUIDE. In a manoeuvre
performed simultaneously by each line, if the Guide
ceases to be guide of his line, then the new line guide of
that line becomes the Guide.
i. Forming Loose Line Of Column. When forming loose
line of column, the leading ship is automatically to become
Guide.
j. Altering Course By Search Turn. The wing ship on the
side away from the direction of the new course is to turn to
the course indicated and become the Guide.

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This is a line formation that can be assumed on the basis of either
a true or relative line of bearing.
a. Signal. Form loose line of bearing indicated in quickest
sequence on the Guide (or ship indicated).
b. Procedure. Ships are to form on the Guide or ship indicated
within 15 degrees of the bearing or it’s reciprocal in the
quickest sequence according to their relative position to her.
c. Distance. Ships are to form at present distance or as
indicated.
d. Restrictions. Wheels and search turns are not permitted
when in this formation

000 
130 
130 
15 
15 
15 
15 
180 

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This a line formation employed mainly by an SAU when
engaged in ASW searching and a set pattern is not desired.
Ships stay within 15 degrees of the beam of the Guide or ship
indicated relative to her base course.
a. Signal. Form loose line abreast in quickest sequence on
the Guide (or ship indicated).
b. Procedure. Ships are to form within 15 degrees of the
nearest beam of the Guide or ship indicated, relative to her
course or course indicated, in the quickest sequence
according to their positions relative to her.
c. Distance. Ships are to form at present distance or as
indicated.

000 
090 
15 
15 
15 
15 
180 
180 

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A column open order formation is a column formation modified.
In a column open order formation the Guide is always in
station 1. Subsequent stations (stations 2,3,4,5 etc.) are
displaced on each side of the stem of the Guide, even
numbered stations to port of the Guide, odd numbered stations
to starboard of the Guide. The ship in station 2 forms 4 on the
port quarter of the Guide. The ship in station 3 forms 2 on the
starboard quarter of the Guide. Remaining ships form astern of
station 2 or 3 as appropriate. The distance (d) between
stations is the standard distance (D) unless specified
otherwise.

000 
1
2
4 
180 
2
3
4
5

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• A diamond formation can only be formed when ships are in a
column. When the diamond formation is ordered, the ship in
station 1 of the column automatically becomes the Guide in
station 1 of the diamond formation.
• The ship in station 2 of the column takes station broad on the
port quarter (225”R) of the Guide at twice the distance (2d) of
the column formation. The ship in station 3 of the column takes
station broad on the starboard quarter (135”R) of the Guide at a
distance of 2d.
• The fourth ship in the column remains directly astern the Guide
at a distance of 3d. If there are more than four ships, additional
ships form a second diamond on the fourth ship, station 5
forming to starboard and station 6 to port..
• This formation may be used when mutual AA gunfire support
and additional maneuvering space are required at short notice.

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a. Forming. A diamond formation can only be formed when ships
are in column. The leading ship is automatically to become the
Guide.
b. Procedure. The second ship in the column is to form on the port
quarter of the Guide, the third ship on the starboard quarter, the
fourth ship in the wake. If there are more than four ships,
additional ships are to form a second diamond on the fourth ship,
odd numbers counting from the leading ship forming to
starboard, even numbers forming to port.
c. Distance. Ships are to use their present ordered distance unless
otherwise directed. When a column consisting of ships of
dissimilar types is ordered to take up diamond formation.
d. Restrictions. When ships are in diamond formation, a wheel is
not exceed 30 degrees.

000 
1
3D
45 
2 3
4
6 5
7
45 
45  45 
3D

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a. Purpose. The search turn is for use when altering course
while searching an area with ships in line abreast or loose
line abreast.
b. Signal. Alter the direction of the search to the course
indicated.
c.

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c. Restriction. Ships in line abreast must be at least 1,000
yards apart; those in loose line abreast must be at least 1,500
yards apart. However, ships of ocean minesweeper size and
smaller, may conduct search turns when the distance between
ships is 500 yards. The alteration must be not less than 45
degrees or more than 135 degrees.
d. Execution of Maneuver. The wing ship on the side away
from the direction of the new course is to turn to the course
indicated and become Guide. The remaining ships are to continue
their course, each one turning in sequence, so that on completion
of her turn she will be on the beam of the Guide on the new
course. For large alterations when in loose abreast, the OTC
should consider ordering ships to re-form in line abreast before
executing the search turn.

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Purpose is the protection of main body or convoy.
Designed to provide protection against aircraft,
missiles, submarines and surface forces.

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Type of Screen
a. Sector Screen. A screen where individual units are
assigned particulars areas of responsibility the size of these area
and their position relative to screen centre are chosen to exploit
the individual equipment capabilities of the various unit and to
provide flexibility and ASW defence in depth. Screen axis is
always north.
b. Circular Screen. Screening unit are stationed equally
in a circle around the main body. The centre of the circle is the
formation centre. Screen axis is north unless ordered.
c. Bent Line Screen. Screening units are stationed on a
bent line ahead of the main body. Screen axis is as ordered but is
normally the base course of the main body.

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Term and Description of Screen
a. Screen Centre. Point or originator of the screen axis. It
is normally superimposed on the formation centre.
b. Screen Axis. A reference line, originating at screen
centre, about which station on a screen are arranged.
c. Unassigned Station. Screen station to which no unit
has been assigned.
d. Picket. Unit station outside the screen but under the
tactical control of the OTC or screen commander, if
delegated. Picket do not respond to screen
maneuvering order or screen signal.

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Term and Description of Screen
e. Pouncer. A unit stationed between the screen and the
main body. It is considered as part of the screen.
f. Sector and Boundaries. Sector boundaries are ordered
by a group of four numerals. First two numerals indicate true
bearing of left and second two numerals indicate true bearing of
right boundary of the sector in tens of degrees.
g. Depth. Sector depth is ordered by a group of four
numerals. First two numerals indicate the inner and the second
two numerals indicate the outer limits of the sector in thousands
of yard & from screen centre. ANSWER may be used to indicate
increments of 500 yards.

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Responsibilities of Screen Commander
a. Assignment screen station.
b. Conduct of the screen.
c. Keeping the OTC or ASW commander informed.
d. Adjusting screen station.
e. Reporting sonar condition and equipment status to OTC.
f. Informing ship coordinating the ASW of helicopter
readiness state required.
g. Ordering the tactical torpedo countermeasures to be used
by the screen.

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Example Tactical Signal Screen:
c/s de c/s IX// SCN HOTEL 7 – ZZ – A1 SCN KILO –
c/s B2 – 0009 0406
c/s C3 – 0918 0406
c/s D4 – 1827 0406
c/s E5 – 2700 0406 – COPREN PAPA 090 – SPEED 10 –
SIERRA SPEED – 18 – TA92 – 4 – STATION ROMEO – FLAG
GOLF c/s A1//

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• SCN H7 – Form sector screen
• ZZ C/S – MWSA - Center of the force
• SCN K – Sector area/ship take sector
0009 0406 – Bearing and radial depth
000 090 4000 yards 6000 yards
Bearing Radial Depth
➢
• CO P 090 – Guide steer course 090
• SP 10 – Guide proceed at speed 15 other ships proceed as
necessary to maintaining station
• S SP 18 – Stationing speed 19
• TA92 – 4 – Act independently to avoid shipping ahead and
resuming station when clear.
• F G C/S MWSA – Guide ship is MAHAWANGSA
• STN R - Report when in station

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Example Tactical Signal Screen:
c/s de c/s IX// SCN HOTEL 7 – ZZ – A1 SCN KILO –
c/s B2 – 0009 0406
c/s C3 – 0918 0406
c/s D4 – 1827 0406
c/s E5 – 2700 0406 – COPREN PAPA 090 – SPEED 10 –
SIERRA SPEED – 18 – TA92 – 4 – STATION ROMEO – FLAG
GOLF c/s A1//

67
• In wartime, ships leave or enter harbor by a swept
channel.
• Which varies in width
• Usually starts at the harbor entrance or boom gate and
extends to seaward.

68
• Point A. An appropriate location near the mouth of
the harbour at the in-shore end of the swept channel is
designated as Point A
• Point X. The seaward end of the swept channel is
called point X.
• Point O. This designation is given to a location at
such distance to seaward of point X
• Point Y. A point to seaward of point O

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• Point A. An appropriate location near the mouth of
the harbour at the in-shore end of the swept channel is
designated as Point A.
• Point X. The seaward end of the swept channel is
called point X.
• Point O. This designation is given to a location at
such distance to seaward of point X.
• Point Y. A point to seaward of point O.

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A
X
O
Y
Mine Area
Mine Area

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Change of Operational Control
(CHOP). CHOP occurs when responsibility for
TACOM (Tactical Command) and/or TACON (Tactical
Control) shifts from one task organization commander to
another or between national and task organization authority.
Scheduled CHOPS, including time of CHOP, should be
established in the tasking message that establishes
the exercise or operation

72
Tg
Pengelih
Kuantan
Lumut
Kuching
Kota
Kinabalu
Pu.
Langkawi
HQ FOC RMN
HQ COMNAV 1
HQ COMNAV 2
100°N 104°N 109°N 115°N
0°N
5°N

Objective:
A complan is to state communication requirements in
terms of equipments, nets, personnel and facilities to be
utilized and policies and procedures that are applicable.

Outcomes of Complan
a. Efficient and economical use of available facilities Eg.
Transmiting Station, Receiving Station, Message Process
System
b. Provision of adequate personnel to meet requirements
Eg.SOP, DOP and Constant Watch.
c. Adequate number and type of radio set Eg. VHF,UHF, HF,
SATCOM.
d. Number of communication network to be used for execises
or operation at sea.

Type of Complan:
• The world wide plan
• Area of theater plan
• Sea going operation plan
• Local and Harbor plan
• Maritime air plan
• Landing force plan
• Special plan

• Line number (Circuit designator)
• Net title or circuit title
• Frequency
• Emission
• Letter designator
• Remarks

FORMAT FOR COMPLAN
LINE NET TITLE FREQ EMISSION HAN GEM PEN REMARKS
01 MMB/MRB VARIOUS 100HA1A G OTC KEEPING GUARD
02 MSS VARIOUS 100HA1A G SHIPS CLEAR OWN TRAFFIC
03 HOAN 288..0 Mhz A3E X HAN KEEP GUARD
LEAVE/ENTER HBR
04 COMMAND
NET
7530 Khz J3E W W W 1. OTC GUARD 30 MIN
BEFORE FIRING.
2. AS REQUIRED
05 TF/TG TAC
UHF
1. 289.7 Mhz
2. 276.0 Mhz
A3E X X X SET WATCH 30 MIN BEFORE
LEAVING HBR
06 TF/TG TAC
VHF
1. 45.45 Mhz
2. 45.50 Mhz
A3E W W W WHEN OUT OF UHF RANGE
07 TF/TG TAC HF 1. 6575 Khz J3E W W W WHEN OUT OF VHF RANGE
08 I/NATIONAL
DISTRESS
1. 500 Khz
2. 2182 Khz
J3E L L L ALL SHIPS MONITOR AND
LISTENING WATCH
09 COCO NET 1. CH 71
2. CH 9
A3E X X X COMMAND TO COMMAND
Legend: L – Listening Watch W – When Required
G – Guard X – Constant Watch

STANDARD TERMINOLOGY FOR COMPLAN
GUARD (X) – To maintain a continuous receiver watch with
transmitter ready for immediate use. Complete log is to be
kept.
COVER (T) – To maintain a continuous receiver watch with
transmitter but not necessary available for immediate use.
Complete log is optional.

➢ COPY (R) – To maintain a continuous receiver watch.
Keeping a complete log.
➢ LOUDSPEAKER (L) – Continuous receiver watch
established for interest to own unit. Complete log is optional.

• CONTROL STATION (C)
• DISTRESS PERIOD (D)
• GUARDSHIP (G)
• GUARD WHEN HELICOPTER AIRBORNE (H)
• WHEN ORDERED (O)
• WHEN REQUIRED (W)

100°N 104°N 109°N 115°N 119°N
0°N
5°N
SKTLDM
Kuantan
SKTLDM
Lumut
SKTLDM
K.KINBALU
HQ FOC RMN
HQ COMNAV 1
HQ COMNAV 2
SHORE TO SHIP (International C/S)
➢ MRB(AMPS) – Primary - HF
➢ MMB/MMB1 – Secondary - HF
SOP/DOP
➢ CW – Continuous Wave (Constant)

100°N 104°N 109°N 115°N 119°N
0°N
5°N
SKTLDM
Kuantan
SKTLDM
Lumut
HQ FOC RMN
HQ COMNAV 1
HQ COMNAV 2
SHIP TO SHORE (International C/S)
CW Voice
➢ LCCN - HF HOAN – UHF/VHF
➢ KCCN – HF SOAN – UHF/VHF
➢ LBCCN – HF COMMAND NET - HF
➢ MCCN – HF
SKTLDM
K.KINBALU

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