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SDZ Construction: Grenade Launcher (MK19). Inter-service Resident Range Safety Course (Intermediate). The MK19 is a 40mm machine gun. Its firing rate is over 350 grenades per minute. . The MK19 was deployed in Southwest Asia during Operation Desert Storm and devastated enemy infantry. .

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sdz construction grenade launcher mk19

SDZ Construction:Grenade Launcher (MK19)

Inter-service Resident Range Safety Course (Intermediate)

slide3

The MK19 was deployed in Southwest Asia during Operation Desert Storm and devastated enemy infantry.

August 2003

constructing an sdz for the mk19
Constructing an SDZ for the MK19
  • Construct an SDZ for the MK19 Grenade Launcher firing the M383 HE cartridge.
  • Map Scale: 1:12,500.
  • Dimensions of the SDZ for this weapon system are given in DA-PAM 385-63, Chapter 7, Table 7-1.
  • First, plot the firing point, baseline, target, and gun target line.

August 2003

slide6
Plot the firing point and the baseline.
  • Plot the target.
  • Draw the gun target line.

August 2003

slide7

Distance X

  • From Table 7-1, find the measurement for Distance X (earth).
  • Distance X =

2095m (ˆ2100m)

  • Annotate Distance X on the legend.

August 2003

slide8

Distance X

10°

10°

  • At the firing point, measure 10° to the right and left of the gun target line.
  • Draw tic marks.

August 2003

slide9

Distance X

10°

10°

  • From the firing point, draw straight lines through the tic marks out through Distance X.

August 2003

slide10

Distance X

10°

10°

  • From the firing point, scribe an arc from the left and right limits of the Dispersion Area. Use Distance X as the radius.

August 2003

slide11

Dispersion

Area

Distance X

10°

10°

  • This completes the Dispersion Area.

August 2003

slide12

Distance X

Dispersion

Area

Distance Y

  • Using Table 7-1, find the measurement for Distance Y.

1250m

  • Distance Y =
  • Annotate Distance Y on the legend.

August 2003

slide13

Distance X

Distance Y

P

P

Dispersion

Area

  • Place tic marks at Distance Y on both the right and left lateral limits of the Dispersion Area.
  • From the Table 7-1, determine Angle P.
  • Angle P =

23°

August 2003

slide14

Distance X

Distance Y

P

P

23°

23°

Dispersion

Area

  • At the firing point, measure 23° from the left and right limits of the Dispersion Area.
  • Draw tic marks as shown.

August 2003

slide15

Distance X

Distance Y

P

P

23°

23°

Dispersion

Area

  • Draw a straight line from the firing point through the tic marks just drawn.

August 2003

slide16

Q

Q

Distance X

Distance Y

15°

15°

P

P

23°

23°

Dispersion

Area

  • From the table, find Angle Q.
  • Angle Q =

15°

  • At Distance Y, measure 15° from the left and right limits of the Dispersion Area for Angle Q.

August 2003

slide17

Q

Q

Distance X

Distance Y

15°

15°

P

P

23°

23°

Dispersion

Area

  • Draw tic marks as shown.
  • Draw a straight line from the tic mark at Distance Y through the tic marks just drawn.

August 2003

slide18

Q

Q

Distance X

Distance Y

15°

15°

P

P

23°

23°

Dispersion

Area

  • Using Table 7-1, find the measurement for Distance W.
  • Distance W =

167m (ˆ170m)

  • From both the right, lightly draw lines perpendicular to the lateral limits of the Dispersion Area.

August 2003

slide19

Q

Q

Distance X

Distance Y

15°

15°

P

P

23°

23°

Dispersion

Area

  • Place tic marks on the lines just drawn at the measurement of Distance W.
  • Draw a straight line through the tic marks.

August 2003

slide20

Dispersion

Area

Q

Q

Distance X

Distance Y

P

P

  • This completes the Ricochet Area.

August 2003

slide21

Dispersion

Area

Distance X

Distance Y

Ricochet Area

  • This completes the Ricochet Area.
  • Annotate the Ricochet Area (Distance W) on the legend.
  • Erase any unnecessary lines.

August 2003

slide22

Dispersion

Area

Distance X

Distance Y

Ricochet Area

  • This completes the Ricochet Area.
  • Annotate the Ricochet Area (Distance W) on the legend.
  • Erase any unnecessary lines.

August 2003

slide23

Dispersion

Area

Distance X

Distance Y

Ricochet Area

  • From Table 7-1, find the measurement for Area A.
  • Area A =

310m

  • Lightly draw lines perpendicular to the limits of the Ricochet and Dispersion Areas.

August 2003

slide24

Dispersion

Area

Distance X

Distance Y

Ricochet Area

  • Draw tic marks at the measurement for Area A.
  • To establish the boundary of Areas A draw straight lines through the tic marks just drawn, through Distance X at the top and the base line at the bottom.

August 2003

slide25

Dispersion

Area

Distance X

Distance Y

Ricochet Area

  • From Table 7-1, find the measurement for Area B.
  • Area B =

310 meters

August 2003

slide26

Dispersion

Area

Distance X

Distance Y

Ricochet Area

  • Lightly draw a line extending the gun target line.
  • Verify that the measurement for Distance X is correct and then draw a tic mark at the measurement of Area B.

August 2003

slide27

Area B

Area A

Dispersion

Area

Distance X

Distance Y

Ricochet Area

  • From the firing point, scribe an arc through the tic mark from the left to the right limits of Area A.
  • This completes Areas A and B.
  • Annotate Areas A and B on the legend.

August 2003

slide28

Area B

Area A

Dispersion

Area

Distance X

Distance Y

Ricochet Area

  • Make a notation of the minimum engagement range (310m from the firing point). Do not engage targets any closer to the firing point than this!
  • To complete the SDZ, erase any unnecessary lines.

August 2003

slide29

Area B

Area A

Dispersion

Area

Distance X

Distance Y

Ricochet Area

  • Make a notation of the minimum engagement range (310m from the firing point). Do not engage targets any closer to the firing point than this!
  • To complete the SDZ, erase any unnecessary lines.

August 2003