# SDZ Construction: Anti-Tank Rockets (AT-4)

## Presentation on theme: "SDZ Construction: Anti-Tank Rockets (AT-4)"— Presentation transcript:

SDZ Construction: Anti-Tank Rockets (AT-4)
Inter-service Resident Range Safety Course (Intermediate) Version: August 2003 SDZ Construction: Anti-Tank Rockets (AT-4) Inter-service Resident Range Safety Course (Intermediate) SDZ Construction: Anti-Tank Rockets (AT-4)

Inter-service Resident Range Safety Course (Intermediate)
Version: August 2003 The AT-4 The AT-4 is a lightweight anti-tank weapon used primarily by infantry forces for engagement and defeat of light armor. August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

Inter-service Resident Range Safety Course (Intermediate)
Version: August 2003 84mm HEAT cartridge August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

Legend for the AT-4 Weapon: Ammo Type: Distance X: Area A: Area B:
Map Scale: Map Sheet: Map Series: Map Edition: Date: Name: August 2003

Constructing an SDZ for the AT-4
Inter-service Resident Range Safety Course (Intermediate) Version: August 2003 Constructing an SDZ for the AT-4 Construct an SDZ for the AT-4 firing the 84mm HEAT M136 rocket. Map Scale: 1:25,000. Dimensions of the SDZ for this weapon system are given in DA-PAM , Chapter 8, Table 8-4 and Figures 8-4 and 8-5. First, plot the firing point, target, and rocket target line. August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

Draw the Rocket Target Line.
Inter-service Resident Range Safety Course (Intermediate) Version: August 2003 Plot the target. Draw the Rocket Target Line. Plot the firing point. August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

From Table 8-4, find the measurement for Distance X.
Inter-service Resident Range Safety Course (Intermediate) Version: August 2003 From Table 8-4, find the measurement for Distance X. Distance X = 2100m Distance X Annotate Distance X on the legend. August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

Inter-service Resident Range Safety Course (Intermediate)
Version: August 2003 For the Dispersion Area, at the firing point, measure with a protractor 5° angles on the right and left of the Rocket Target Line. Distance X Draw tic marks as shown. August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

This completes the Dispersion Area.
Inter-service Resident Range Safety Course (Intermediate) Version: August 2003 From the firing point, draw a line through the tic marks out through Distance X. Distance X Dispersion Area This completes the Dispersion Area. August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

Inter-service Resident Range Safety Course (Intermediate)
Version: August 2003 At the firing point, measure 13° with a protractor from the left and right limits of the Dispersion Area to establish the Ricochet Area. Distance X Dispersion Area Draw tic marks. 13° August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

Inter-service Resident Range Safety Course (Intermediate)
Version: August 2003 Draw a straight line from the firing point through each tic mark out through Distance X. Distance X Dispersion Area From the firing point, scribe an arc between the left and right limits of the Ricochet Area. Use Distance X as the radius. 13° August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

This completes the Ricochet Area.
Inter-service Resident Range Safety Course (Intermediate) Version: August 2003 This completes the Ricochet Area. Distance X Erase any unnecessary lines. Dispersion Area Ricochet Area 13° August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

This completes the Ricochet Area.
Inter-service Resident Range Safety Course (Intermediate) Version: August 2003 This completes the Ricochet Area. Distance X Erase any unnecessary lines. Dispersion Area Ricochet Area August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

From Table 8-4, find the measurement for Area A.
Inter-service Resident Range Safety Course (Intermediate) Version: August 2003 From Table 8-4, find the measurement for Area A. Distance X Area A = 227m (ˆ240m) Dispersion Area Lightly draw lines perpendicular to the limits of the Ricochet Area. Ricochet Area At the measurement for Area A, place tic marks on the lines just drawn. August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

Draw straight lines through the tic marks just drawn.
Inter-service Resident Range Safety Course (Intermediate) Version: August 2003 Draw straight lines through the tic marks just drawn. Distance X At the firing point, measure with a protractor 25° for Area A. Dispersion Area Ricochet Area Draw tic marks as shown. 25° August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

Draw straight lines through the tic marks just drawn.
Inter-service Resident Range Safety Course (Intermediate) Version: August 2003 Draw straight lines through the tic marks just drawn. Distance X From Table 8-4, find the measure-ment for Area B. Dispersion Area Area B = 488m (ˆ500m) Ricochet Area 25° August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

Inter-service Resident Range Safety Course (Intermediate)
Version: August 2003 Lightly draw a line that extends the rocket target line from Distance X. Distance X 25° Dispersion Area Dispersion Area Verify that Distance X is correct and then place a tic mark at the measurement for Area B. Ricochet Area Ricochet Area August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

This completes Areas A and B.
Inter-service Resident Range Safety Course (Intermediate) Version: August 2003 25° From the firing point, scribe an arc using the measurement for Area B as the radius. Distance X Dispersion Area Dispersion Area This completes Areas A and B. Ricochet Area Ricochet Area August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

Annotate Areas A and B on the legend.
Inter-service Resident Range Safety Course (Intermediate) Version: August 2003 Area A Area B Annotate Areas A and B on the legend. Distance X To complete this part of the SDZ, erase all unnecessary lines. Dispersion Area Dispersion Area Ricochet Area Ricochet Area August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

Annotate Areas A and B on the legend.
Inter-service Resident Range Safety Course (Intermediate) Version: August 2003 Area A Area B Annotate Areas A and B on the legend. Distance X To complete this part of the SDZ, erase all unnecessary lines. Dispersion Area Dispersion Area Ricochet Area Ricochet Area August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

Inter-service Resident Range Safety Course (Intermediate)
Version: August 2003 Area F Area F is the danger Area to the rear of a weapon system where personnel are endangered by back-blast debris, overpressure, blast, and hazardous impulse noise. Area F is the 90° angle (45° left and right) of the rearward extension of the rocket target line. August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

Area F There are two zones associated with Area F: The Danger Zone
Inter-service Resident Range Safety Course (Intermediate) Version: August 2003 Area F There are two zones associated with Area F: The Danger Zone The Caution Zone August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

Inter-service Resident Range Safety Course (Intermediate)
Version: August 2003 Danger Zone The Danger Zone is the immediate area to the rear of the firing line. Danger Zone occupation could result in fatalities or serious casualties including severe burns, eye damage, or permanent hearing loss. The hazards are base plate fragments, debris, fireball, high noise levels, and overpressure. August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

Inter-service Resident Range Safety Course (Intermediate)
Version: August 2003 Caution Zone The Caution Zone is an extension of the Primary Danger Zone. Occupation of this zone could also result in severe casualties due to back blast, debris, high noise levels and possible base plate fragments. The Primary Danger and Caution Zones may not be modified. August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

Draw the components of Area F in detail.
Inter-service Resident Range Safety Course (Intermediate) Version: August 2003 Area A Area B Locate Area F Distance X Draw the components of Area F in detail. Dispersion Area Dispersion Area Ricochet Area Ricochet Area Area F (not to scale) August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

In Table 8-4, find the Area F depth measurement. Danger Zone depth =
Inter-service Resident Range Safety Course (Intermediate) Version: August 2003 Firing Line Note: Scale for Area F is 1:625 In Table 8-4, find the Area F depth measurement. Danger Zone depth = 5 meters Caution Zone depth = 95 meters Area F depth = 100 meters Scale conversion: [x = (a x 1000 ÷ b)] August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

Inter-service Resident Range Safety Course (Intermediate)
Version: August 2003 95m 5m Firing Line 45° 45° Draw a line the length of the Area F depth rearward from the firing point along the same line as the rocket target line. From the firing point, draw two additional lines of the same length; one 45° to the left and one 45° to the right of the line just drawn. August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

Inter-service Resident Range Safety Course (Intermediate)
Version: August 2003 95m 5m Firing Line 45° From the firing point, scribe an arc from the left to the right limit of the Danger Zone. Use the 100 meter measurement as the radius. August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

This completes the Danger Zone.
Inter-service Resident Range Safety Course (Intermediate) Version: August 2003 95m 5m Firing Line Danger Zone 45° 45° From the firing point, scribe an arc from the left to the right limit of the Danger Zone. Use the 5 meter measurement as the radius. This completes the Danger Zone. August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

The Area below the Danger Zone is the Caution Zone.
Inter-service Resident Range Safety Course (Intermediate) Version: August 2003 95m 5m Firing Line Danger Zone Caution Zone 45° 45° The Area below the Danger Zone is the Caution Zone. This completes Area F. August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)

Legend for the AT-4 Weapon: AT-4 Ammo Type: 84mm HEAT M136 Rocket
Inter-service Resident Range Safety Course (Intermediate) Version: August 2003 Legend for the AT-4 Weapon: AT-4 Ammo Type: 84mm HEAT M136 Rocket Distance X: 2100m Area A: 227m (ˆ240m) Area B: 488m (ˆ500m) Primary Danger Zone: 5m Primary Caution Zone: 95m Area F: 100m Map Scale: 1:25,000 Map Sheet: Map Series: Map Edition: Date: Name: August 2003 SDZ Construction: Anti-Tank Rockets (AT-4)