MCWP 3-16.3 FM 6-50 TTP for the Field Artillery Cannon Gunnery - page 12

 

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MCWP 3-16.3 FM 6-50 TTP for the Field Artillery Cannon Gunnery - page 12

 

 

FM 6-60, MCWP 3-1.6.23

TASK 7
Aligning the aiming posts. 061-266-2000, 061-266-2001
Conditions- 

The soldier is given a howitzer in the firing

position that has already been laid on the initial direction

of fire. Bubbles will be level and special corrections on O.

The pantel will be oriented on the collimator. Aiming posts

will be emplaced in the ground at 50 and 100 meters from

the howitzer, but will not be aligned. An assistant examiner

will be posted at the far aiming post. The soldier will position

himself as gunner and announce when ready. The examiner

will say BEGIN.

Scoring-
a. 

Standards of precision (B-2)

were met. (If applicable.)
b. 

Correct steps were followed to

complete the task.
c. 

If steps a and b were not

followed, soldier recieves a NO-GO

and 0 points. If soldier received a

GO on steps a and b, use the chart

below to determine score.

Time- 

The time will start when the examiner says BEGIN.

The time will stop when the gunner states that the aiming

posts are set.

B-11

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FM 6-50, MCWP 3-1.6.23

TASK 8
Boresight the howitzer.
TASK 8A
Boresighting the howitzer (pantel) with the test target.

b. 

Correct steps were followed to

complete the task.

Conditions– 

The soldier is given a howitzer in the tiring

position. Bubbles will be level and special corrections on

c. 

If steps a and b were not

0. The pantel will be 10 mils off the test target, and the

followed, soldier recieves a NO-GO

and 0 points. If soldier received a

cover of the detent shaft will be on. The cannon tube will

be aligned on the test target, which will be posted 50 meters

GO on steps a and b, use the chart

below to determine score.

in front of the howitzer. Boresight will be off by 5 mils

and the soldier will be provided with the tools needed to

make corrections to the sight. The soldier positions himself

as gunner and states when ready. The examiner will say

BEGIN.
Time- 

The time will start when the examiner says BEGIN

and will stop when the gunner states that the howitzer is

boresighted.

Scoring-
a. 

Standards of precision (B-2)

were met. (If applicable.)

B-12

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FM 6-50, MCWP 3-1.6.23

TASK 8B
Boresighting the howitzer (elbow telescope) with the test

target. 061-266-2005
Conditions- 

The soldier is given a howitzer in the firing

position. The cannon tube is aligned on the test target but

the elbow telescope is not aligned on the test target. The

test target will be located 50 meters in front of the howitzer,

and the soldier will be given the tools needed to adjust the

sight. The soldier will position himself as the gunner and

announce when ready. The examiner will say BEGIN.

Scoring-
a. 

Standards of precision (B-2)

were met. (If applicable.)
b. 

Correct steps were followed to

complete the task.
c. 

If steps a and b were not

followed, soldier recieves a NO-GO

and 0 points. If soldier received a

GO on steps a and b, use the chart

below to determine score.

Time- 

The time will start when the examiner says BEGIN

and will end when the gunner states that the howitzer is

boresighted.

B-13

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FM 6-50, MCWP 3-1.6.23

TASK 8C
Boresighting the howitzer (pantel) using a DAP.

061-266-2005
Conditions- 

The soldier will be given a howitzer in the firing

position. Bubbles will be level and special corrections on

0. The cannon tube will be aligned on the DAP, but the

pantel will be aligned 10 mils off the DAP. Boresight will

be 5 mils off, and the cover will be on the detent shaft (if

applicable). The soldier will be given the tools needed to

adjust the sight. The soldier positions himself and announces

when ready. The examiner will say BEGIN.

Scoring-
a. 

Standards of precision (B-2)

were met. (If applicable.)
b. 

Correct steps were followed to

complete the task.
c. 

If steps a and b were not

followed, soldier recieves a NO-GO

and 0 points. If soldier received a

GO on steps a and b, use the chart

below to determine score.

Time- 

The time will start when the examiner says BEGIN,

and will stop when the gunner states that the howitzer is

boresighted.

B-14

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FM 6-50, MCWP 3-1.6.23

TASK 8D

Scoring-

Boresight the howitzer (elbow telescope) using a DAP.

a. 

Standards of precision (B-2)

Conditions– 

The soldier will be given a howitzer in the firing

position. The cannon tube will be aligned on the DAP, but

the elbow telescope will not be aligned on the DAP. The

soldier will be provided with the tools needed to adjust the

sight. The soldier positions himself as assistant gunner and

announces when ready. The examiner will say BEGIN.
Time- 

The time will start when the examiner says BEGIN,

and will stop when the assistant gunner states that the howitzer

is boresighted.

were met. (If applicable.)
b. 

Correct steps were followed to

complete the task.
c. 

If steps a and b were not

followed, soldier recieves a NO-GO

and 0 points. If soldier received a

GO on steps a and b, use the chart

below to determine score.

B-15

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FM 6-50, MCWP 3-1.6.23

TASK 8E
Boresighting the howitzer (pantel) using standard angle.
Conditions– 

The soldier is given a howitzer in the firing

position which has level bubbles and special corrections on

0. The cannon tube will be at 0 mils elevation. A parallex

shield, screwdrivers, and a standard angle deflection and

elevation will be provided. The soldier positions himself

as gunner and announces when ready. The examiner will

say BEGIN.
Time- 

The time will start when the examiner says BEGIN,

and stop when the gunner states that the howitzer is

boresighted.

Scoring-
a. 

Standards of precision (B-2)

were met. (If applicable.)
b. 

Correct steps were followed to

complete the task.
c. 

If steps a and b were not

followed, soldier recieves a NO-GO

and 0 points. If soldier received a

GO on steps a and b, use the chart

below to determine score.

B-16

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FM 6-50, MCWP 3-1.6.23

TASK 9
Verifying boresight with the M140/M139 alignment device.

061-266-2239
Conditions- 

The soldier is given a howitzer in the firing

position, with level bubbles and special corrections on 0.

The cannon tube will beat 0 mils elevation, and the azimuth

counter will be set at 1600. The soldier will be provided

with an M 140/M139 alignment device. The soldier positions

himself as gunner and announces when ready. The examiner

will say BEGIN.

Scoring-
a. 

Standards of precision (B-2)

were met. (If applicable.)
b. 

Correct steps were followed to

complete the task.
c. 

If steps a and b were not

followed, soldier recieves a NO-GO

and 0 points. If soldier received a

GO on steps a and b, use the chart

below to determine score.

Time- 

The time will start when the examiner says BEGIN,

and will stop when the gunner states that boresight is either

verified or not verified.

B-17

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FM 6-50, MCWP 3-1.6.23

TASK 10
Fire missions (the missions in task 10 are one continuous

mission).
TASK 10A
Conditions- 

The soldier is given a howitzer in the firing

position. The howitzer is laid and both the collimator and

aiming posts are emplaced. The pantel is aligned on the

collimator, bubbles are level, and special corrections are at

0. The cannon tube is oriented on the primary direction of

fire and elevated to 315 mils. The soldier positions himself

as gunner and announces when ready.

The examiner

commands FIRE MISSION, PLATOON ADJUST,

NUMBER 1, 1 ROUND, SHELL HE, CHARGE (XX),

FUZE QUICK, DEFLECTION 3225 (M101A1 USE

DEFLECTION 2825), QUADRANT 315.

Scoring-
a. 

Standards of precision (B-2)

were met. (If applicable.)
b. 

Correct steps were followed to

complete the task.
c. 

If steps a and b were not

followed, soldier recieves a NO-GO

and 0 points. If soldier received a

GO on steps a and b, use the chart

below to determine score.

Time- 

The time will start on the last digit of the deflection

and will stop when the gunner says READY.

B-18

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FM 6-50, MCWP 3-1.6.23

TASK 10B

Scoring-

Conditions- 

Continuation from l0A. Soldier announces

a. 

Standards of precision (B-2)

when ready.

The examiner commands SPECIAL

were met. (If applicable.)

CORRECTIONS, RIGHT 4, DEFLECTION 3194

(M101A1 USE DEFLECTION 2794), QUADRANT 315.

b. 

Correct steps were followed to

complete the task.

Time- 

The time will start on the last digit of deflection and

will stop when the gunner states READY.

c. 

If steps a and b were not

followed, soldier recieves a NO-GO

and 0 points. If soldier received a

GO on steps a and b, use the chart

below to determine score.

B-19

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FM 6-50, MCWP 3-1.6.23

TASK 10C
Conditions- 

Continuation from

Scoring-

10B. Soldier announces

a. 

Standards of precision (B-2)

when ready. The examiner cancels special corrections, says

were met. (If applicable.)

that the collimator has fallen down and directs the gunner

to use the aiming posts.

The examiner commands

b. 

Correct steps were followed to

DEFLECTION 3180 (M101A1 USE DEFLECTION

complete the task.

2780), QUADRANT 315.

c. 

If steps a and b were not

Time- 

The time will start on the last digit of deflection and

followed, soldier recieves a NO-GO

will stop when the gunner states READY.

and 0 points. If soldier received a

GO on steps a and b, use the chart

below to determine score.

B-20

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FM 6-50, MCWP 3-1.6.23

TASK 10 D

Scoring-

Conditions- 

Continuation from 10C. Soldier announces

a. 

Standards of precision (B-2)

when ready. The examiner commands DEFLECTION 3230

were met. (If applicable.)

(M101A1 USE DEFLECTION 2830), QUADRANT 315.

b. 

Correct steps were followed to

Time– 

The time will start on the last digit of deflection and

complete the task.

will stop when the gunner states READY.

c. 

If steps  a and b were not

followed, soldier recieves a NO-GO

and 0 points. If soldier received a

GO on steps a and b, use the chart

below to determine score.

B-21

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FM 6-50, MCWP 3-1.6.23

TASK 10E

Scoring-

Conditions- 

Continuation from 10D. The soldier announces

a. 

Standards of precision (B-2)

when ready. The examiner commands GAS (waits for the

were met. (If applicable.)

soldier to mask), DEFLECTION 3242 (M101A1 use

deflection 2842), QUADRANT 315.

b. 

Correct steps were followed to

Time- 

The time starts on the last digit

stops when the gunner states READY.

complete the task.

of deflection and

c. 

If steps a and b were not

followed, soldier recieves a NO-GO

and 0 points. If soldier received a

GO on steps a and b, use the chart

below to determine score.

B-22

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FM 6-50, MCWP 3-1.6.23

TASK 11
Direct fire. 061-266-2235
The fire mission in task 11 is one continuous mission. The

central or reticle method of sighting may be used. Only

the one man/one sight technique of direct fire will be used.
TASK 11A

Conditions- 

The soldier is given a howitzer in the firing

position. The howitzer is laid and the pantel is oriented on

the collimator. Bubbles are level and special corrections at

0. The cannon tube is at 0 mils elevation and is oriented

so that the trails will not have to be shifted during the mission

to engage the direct fire target. The soldier will be told

which direct fire target he is to engage. The soldier positions

himself as gunner and announces when ready. The examiner

commands FIRE MISSION, TARGET THAT (XXX),

(direction), SHELL HE, CHARGE (XX), FUZE QUICK,

LEAD RIGHT 15 MILS, RANGE 600, FIRE AT WILL.
Time- 

The time will start when the examiner states FIRE

AT WILL 

and will stop when the gunner says FIRE.

Scoring-
a. 

Standards of precision (B-2)

were met. (If applicable.)

b. 

Correct steps were followed to

complete the task.
c. 

If steps a and b were not

followed, soldier recieves a NO-GO

and 0 points. If soldier received a

GO on steps a and b, use the chart

below to determine score.

B-23

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FM 6-50, MCWP 3-1.6.23

TASK llB

Scoring-

Conditions- 

Continuation from 11A. Soldier announces

a. 

Standards of precision (B-2)

when ready. The examiner commands RIGHT 5, ADD

were met. (If applicable.)

100.

b. 

Correct steps were followed to

Time- 

The time will start when the examiner states  ADD

complete the task.

100 

and will stop when the gunner says FIRE.

c. 

If steps  a and b were not

followed, soldier recieves a NO-GO

and 0 points. If soldier received a

GO on steps a and b, use the chart

below to determine score.

B-24

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FM 6-50, MCWP 3-1.6.23

TASK llC

Scoring-

Conditions- 

Continuation of task llB.

The soldier

a. 

Standards of precision (B-2)

announces when ready. The examiner commands LEFT

were met. (If applicable.)

10, ADD 100.

b. 

Correct steps were followed to

Time- 

The time starts when the examiner states ADD 100

complete the task.

and stops when the gunner states FIRE.

c. 

If steps a and b were not

followed, soldier recieves a NO-GO

and 0 points. If soldier received a

GO on steps a and b, use the chart

below to determine score.

B-25

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FM 6-50, MCWP 3-1.6.23

TASK 11D

Scoring-

Conditions– 

Continuation from task 11C. The soldier

a. 

Standards of precision (B-2)

announces when ready. The examiner commands LEFT

were met. (If applicable.)

15, DROP 100.

b. 

Correct steps were followed to

Time- 

The time will start when the examiner states DROP

complete the task.

100 

and will stop when the gunner states FIRE.

c. 

If steps a and b were not

followed, soldier recieves a NO-GO

and 0 points. If soldier received a

GO on steps a and b, use the chart

below to determine score.

B-26

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