SDZ Construction: Single Firing Point, Single Target Inter-service Resident Range Safety Course...
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Transcript of SDZ Construction: Single Firing Point, Single Target Inter-service Resident Range Safety Course...
![Page 1: SDZ Construction: Single Firing Point, Single Target Inter-service Resident Range Safety Course (Intermediate)](https://reader036.fdocuments.us/reader036/viewer/2022062404/551659bb550346a2698b4f14/html5/thumbnails/1.jpg)
SDZ Construction:Single Firing Point, Single TargetInter-service Resident Range Safety Course (Intermediate)
![Page 2: SDZ Construction: Single Firing Point, Single Target Inter-service Resident Range Safety Course (Intermediate)](https://reader036.fdocuments.us/reader036/viewer/2022062404/551659bb550346a2698b4f14/html5/thumbnails/2.jpg)
August 2003
SDZ Construction FundamentalsAll SDZs, regardless of complexity, are drawn from a point or points of reference.
To construct an accurate and precise SDZ, you will need the following:
Compass for drawing circles and arcs
Protractor for measuring angles
Plotting scale for measuring distances
Fine-point pencil for drawing accuracy
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August 2003
Degrees Scale
Mils Scale
Index
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August 2003
The M2 may be mounted on ground mounts and most vehicles as an anti-personnel and anti-aircraft weapon.
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August 2003
Weapon:
Ammo:
Distance X:
Area A:
Map Scale:
Map Sheet:
Map Series:
Map Edition:
Date:
Name:
Small Arms Legend (Cone)
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August 2003
Constructing a Cone-Shaped SDZConstruct a cone-shaped SDZ for the M2 .50 MG using M2 ball ammo.
Map scale: 1:50,000.
Distance X for this weapon/ammo is given in DA-PAM 385-63, Appendix B, Table B-1.
Cone-shaped SDZ dimensions are shown in DA-PAM 385-63, Figure 6-1.
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August 2003
What’s the Gun Target Line?The Gun Target Line, or GTL, is a line drawn between the firing point and the target. It is also referred to as the line of fire.
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August 2003
Plot the firing point.
Gun TargetLine
Firing Point
Establish the gun target line.
Plot the target.
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August 2003
What is Distance X?Distance X is the maximum distance a projectile, to include guided missiles and rockets, will travel when fired or launched at a given quadrant elevation with a given charge or propulsion system.
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August 2003
From Table B-1, find Distance X M2 ball.
Distance X = 6500m
Annotate Distance X on the legend.
Dis
tan
ce X
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August 2003
Determine the Dispersion AreaThe Dispersion Area is the area within the Surface Danger Zone located between the gun target line and the Ricochet Area.
This area accounts for human error, gun or cannon tube wear, propellant temperature, etc.
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August 2003
At the firing point, measure 5° with a protractor from the left and right of the gun target line.
Draw tic marks.
5°
Dis
tan
ce X
5°
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August 2003
Gun TargetLine
5°
DispersionArea
This completes the Dispersion Area.
To establish the limits of the Dispersion Area, draw a straight line from the firing position through each tic mark out to Distance X.
Dis
tan
ce X
5°
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August 2003
Ricochet AreaThe Ricochet Area is located to the left and right of the Dispersion Area and contains projectiles after they make contact with the target medium.
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August 2003
At the firing point, measure 5° with a protractor from the left and right limits of the Dispersion Area.
Draw tic marks.DispersionArea
5°
Dis
tan
ce X
5°
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August 2003
DispersionArea
RicochetArea
This completes the Ricochet Area.
To establish the lateral limits of Ricochet Area, draw a straight line from the firing position through each tic mark out through Distance X.
5°
Dis
tan
ce X
5°
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August 2003
Area AArea A is the secondary danger area, or buffer zone, that laterally parallels the Ricochet Area and contains fragments, debris, and components from frangible or explosive projectiles and warheads functioning on the right or left edge of the Ricochet Area.
Area A measurement for direct-fire small arms without explosive projectiles is 100 meters.
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August 2003
To establish Area A, lightly draw lines perpendicular to the right and left limits of the Ricochet Area. Ricochet
Area
DispersionArea
Draw tic marks at 100 meters.
Draw lines parallel to the limits of the Ricochet Area through the tic marks.
Dis
tan
ce X
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August 2003
At the firing point, measure 30° with a protractor from the left and right limits of the Ricochet Area.
Draw tic marks.
Draw a straight line from the firing point through each tic mark.
RicochetArea
DispersionArea
30°
Dis
tan
ce X
30°
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August 2003
30°
From the firing point, scribe an arc between the left and right limits of Area A. Use Distance X as the radius.
This completes Area A.
RicochetArea
DispersionArea
To complete the SDZ, erase all unnecessary lines.
Area A
Annotate Area A on the legend.
Dis
tan
ce X
30°
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August 2003
RicochetArea
DispersionArea
Area A
From the firing point, scribe an arc between the left and right limits of Area A. Use Distance X as the radius.
This completes Area A.
To complete the SDZ, erase all unnecessary lines.
Annotate Area A on the legend.
Dis
tan
ce X
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August 2003
Weapon: M2 .50 Machine Gun
Ammo: M2 Ball
Distance X: 6500m
Area A: 100m
Map Scale: 1:50,000
Map Sheet:
Map Series:
Map Edition:
Date:
Name:
Small Arms Legend (Cone)