FM 4-20.119 Airdrop of Supplies and Equipment: Rigging 105-Millimeter Howitzers (MAY 2006) - page 4

 

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FM 4-20.119 Airdrop of Supplies and Equipment: Rigging 105-Millimeter Howitzers (MAY 2006) - page 4

 

 

Rigging M119 Howitzer for Low-Velocity Airdrop on Type V Platform
1
2
2
RIGHT
1 Run a 15-foot lashing from the front of the support, around the left trail, behind the support,
over the muzzle brake, in front of the support, under the right trail, and over the muzzle
brake. Secure it on the left side of the muzzle brake with a D-ring and a load binder.
2 Beginning behind the support on the right side, run a 15-foot lashing under the right trail, in
front of the support, up over the muzzle brake, behind the support, under the left trail, and
over the muzzle brake. Secure it on the right side and behind the support with a D-ring
and a load binder.
Figure 3-14. Muzzle Brake Support Secured
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-17
Chapter 3
1
2
1 Wrap the aiming poles, trail lifting bar, rammer staff, and barrel brush with cellulose
wadding. Tie them to the front ammunition box lashing with type III nylon cord.
2 Remove the traversing wheel (not shown). Secure it to its bracket on the left trail with type
III nylon cord.
Figure 3-15. Gun Equipment Stowed
3-18
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M119 Howitzer for Low-Velocity Airdrop on Type V Platform
3
4
6
7
5
3 Cover the breech, sights, and recoil spring with the covers provided.
4 Tie the jack and mallet in their storage bracket with type III nylon cord.
5 Tie the large firing stay cables to the rear firing platform hole with type III nylon cord.
6 Tie the smaller firing stay cables to the large firing stay cables with type III nylon cord.
7 Pad the rear side firing platform holes with 11- by 5-inch felt taped in place. Secure a 15-
foot lashing through both holes around the trails, and over the firing platform.
Figure 3-15. Gun Equipment Stowed (Continued)
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-19
Chapter 3
2
1
RIGHT
4
3
LEFT
1 Place a stack of three 18- by 36-inch pieces of honeycomb on the firing platform against
the gun tube.
2 Lay an 8- by 36-inch piece of felt against the barrel. Place the field spade against the felt
as shown.
3 Place a 26- by 30-inch piece of honeycomb lengthwise on the firing platform on the left
side of the gun tube.
4 Wrap the gunner's sight box, tool bag, and camouflage net in a tarpaulin. Tie the bundle
securely with type III nylon cord, and place it on the honeycomb.
Figure 3-16. Howitzer Equipment Stowed on Firing Platform
3-20
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M119 Howitzer for Low-Velocity Airdrop on Type V Platform
7
6
5
6
RIGHT
7
5
LEFT
5 Pad the two remaining side firing platform lifting holes on the firing platform with two 5- by
11-inch pieces of felt.
6 Form two 30-foot lashings according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-
MMO-010/TO 13C7-1-5. Lay a 30-foot lashing diagonally across the items stowed on the
firing platform. Pass one end through the field spade hinge and firing platform lifting hole
directly below. Pass the other end over the tarpaulin, down through the nearest firing
platform lifting holes, and around the left trail. Bring both free ends to the top of the load,
and secure them over the tarpaulin with two D-rings and a load binder.
7 Pass the end of another 30-foot lashing through the second field spade hinge and down
through the firing platform lifting hole directly below. Pass the other end over the tarpaulin,
down through the remaining firing platform lifting hole, and around the left trail. Bring both
free ends to the top of the load, and secure them as in step 6.
Figure 3-16. Howitzer Equipment Stowed on Firing Platform (Continued)
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-21
Chapter 3
2
1
1 Cut five 15- by 36-inch pieces of honeycomb. Center a cutout in three of the pieces to fit
the collimator. Glue the three pieces with the cutouts flush over a solid piece of
honeycomb.
2 Pad the collimator generously with cellulose wadding, and place it in the collimator box.
3 Place the remaining solid piece of honeycomb flush over the box. Tape the top and
bottom edges of the box and secure with lengths of 1/2-inch tubular nylon webbing (not
shown).
Figure 3-17. Collimator Stowed
3-22
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M119 Howitzer for Low-Velocity Airdrop on Type V Platform
1
3
2
1 Center the collimator lengthwise over the gun tub and the firing platform.
2 Pass two lengths of 1/2-inch tubular nylon webbing under the gun tube and over the box.
Tie them tightly with a surgeon's knot, a locking knot and overhand knot in the running
ends.
3 Pass one length of 1/2-inch tubular nylon webbing lengthwise over the box. Secure it
around the gun tube at each end with a trucker's hitch.
Figure 3-18. Collimator Box Secured to Load
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-23
Chapter 3
LIFTING AND POSITIONING HOWITZER
3-6. Lift the howitzer and position it on the honeycomb stacks as shown in Figure 3-19.
2
2
1
1
3
1 Wrap 10,000-pound chains around the wheel hubs and run a 10,000-pound chain through
the lunette.
2 Attach hooks to the ends of four 11-foot (2-loop), type XXVI nylon slings, and hook the
slings to the chains. Adjust the chains, as necessary to ensure that the howitzer remains
level when lifted.
Note. The hooks shown are not standard items. Other hooks available at the rigging facility may
be used.
3 Center the howitzer on the platform and on the stacks as shown.
Figure 3-19. Howitzer Lifted and Positioned on Platform
3-24
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M119 Howitzer for Low-Velocity Airdrop on Type V Platform
LASHING HOWITZER
3-7. Lash the howitzer to the platform as shown in Figures 3-20 and 3-21. Install and safety the lashings
according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO-010/TO 13C7-1-5.
1
7
5
3
1
5
4
3
Lashing
Tiedown
Instructions
Number
Clevis
Number
Pass lashing:
1
1
Around rail, right side.
2
1A
Around rail, left side.
3
3
Around wheel hub, right side.
4
3A
Around wheel hub, left side.
5
4
Around saddle, behind elevating wheel shaft, right side.
6
4A
Around saddle, left side.
7
5
Through hole in firing platform and around trail, right side.
8
5A
Through hole in firing platform and around trail, left side.
Figure 3-20. Lashings 1 Through 8 Installed
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-25
Chapter 3
11
9
19
16
Lashing
Tiedown
Instructions
Number
Clevis
Number
Pass lashing:
9
16
Through hole in firing platform and around trail, right side.
10
16A
Through hole in firing platform and around trail, left side.
11
19
Through lunette, right side.
12
19A
Through lunette, left side.
Figure 3-21. Lashings 9 Through 12 Installed
3-26
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M119 Howitzer for Low-Velocity Airdrop on Type V Platform
STOWING ADDITIONAL ACCOMPANYING LOAD
3-8. Stow two boxes of antipersonnel (APERS) or high-explosive rocket-assisted projectile (HERAP)
ammunition and seven boxes of fuzes as shown in Figures 3-22 and 3-23.
2
1
5
7
6
4
3
1 Center two 12- by 90-inch layers of honeycomb on the front of the platform flush against
stack 1.
2 Form a 30-foot lashing according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-
MMO-010/TO 13C7-1-5 and lay it from side to side on the layers of honeycomb.
3 Place two APERS or HERAP boxes of ammunition on the honeycomb and the lashing as
shown.
4 Lay a 12- by 45-inch piece of honeycomb on the boxes. Compress the honeycomb to
allow for the slats on the boxes.
5 Place seven boxes of fuzes side by side on the honeycomb.
6 Pass one end of the lashing on the right side of the load through the handles of the
wooden box and under the handles of the metal boxes. Pass the other end of the left side
of the load under the handle of the wooden box.
7 Secure the lashing with two D-rings and a load binder on the left side of the load.
Figure 3-22. Boxes of Ammunition and Fuzes Stowed and Lashed Together
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-27
Chapter 3
Notes. 1. All measurements are given in inches.
2. This drawing is not drawn to scale.
44
10 ¾
23
24 ¼
13 ½
1
4
2
FRONT
A2
5
1
4
3
A1
B1
1 Cut an endboard as shown above and place it against the front of the ammunition.
2 Place a 12- by 44-inch piece of ¾-inch plywood on top of the fuze box.
3 Secure the plywood with a 15-foot lashing from tie-down ring A1 to B2.
4 Pass a 15-foot lashing from tie-down ring B1 to A2.
5 Form a 30-foot lashing according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-
MMO-010/TO 13C7-1-5. Place the lashing over the top of the plywood and pass the ends
through clevises 2 and 2A. Secure the lashing with two D-rings and a load binder on the
right side of the boxes.
Figure 3-23. Boxes of Ammunition and Fuzes Stowed and Lashed to Platform
3-28
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M119 Howitzer for Low-Velocity Airdrop on Type V Platform
INSTALLING SUSPENSION SLINGS, ANTITUMBLE SLINGS AND
DEADMAN’S TIE
3-9. Install the suspension slings according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO-
010/TO 13C7-1-5 and as shown in Figure 3-24. Install the antitumble slings as shown in Figure 3-25.
Cover the load as shown in Figures 3-26 and 3-27. Secure and safety the slings as shown in Figure 3-27.
2
1
3
1 Attach a 12-foot (2-loop), type XXVI nylon webbing sling to each front tandem link with a
large suspension clevis.
2 Attach a 3-foot (4-loop), type XXVI nylon webbing sling to each rear tandem link with a
large suspension clevis.
3 Attach a 9-foot (2-loop), type XXVI nylon webbing sling to each of the 3-foot slings installed
in step 2 with a 5 ½ inch two-point link assembly.
Figure 3-24. Suspension Slings Installed
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-29
Chapter 3
3
1
3
3
2
1 Pass a 12-foot (2-loop), type XXVI nylon sling under the breech area.
2 Bring both ends of the sling up over the yoke and cross them over the recoil tube.
3 Safety the sling to the yoke on each side with ½-inch tubular nylon webbing.
Figure 3-25. Antitumble Sling Installed on Howitzer
3-30
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M119 Howitzer for Low-Velocity Airdrop on Type V Platform
1
2
1 Bend a 36- by 96-inch sheet of honeycomb over the breech area of the gun. Tape and
secure it to a convenient point on the load with type III nylon cord.
2 Center a 36- by 96-inch sheet of honeycomb over the wheels. Rest the antitumble slings
on top of the honeycomb. Bend the honeycomb down and tape and secure it to the wheel
hubs with type III nylon cord.
Figure 3-26. Load Partially Covered
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-31
Chapter 3
4
2
3
5
1
1
Tie a 10- by 15-foot canvas load cover over the howitzer with type III nylon cord.
2
Cut slits in the cover to accommodate the antitumble slings.
3
Extend the suspension slings upward to the crane hook or suitable lifting device, running
the front slings through the loops in the antitumble slings.
4
Tie the antitumble slings to the front suspension slings with ½-inch tubular nylon webbing
in a figure 8 safety tie.
5
Safety the slings with a deadman’s tie according to FM 4-20.102/MCRP 4-11.3J/NAVSEA
SS400-AB-MMO-010/TO 13C7-1-5.
Figure 3-27. Load Covered, Sling Secured and Safetied
3-32
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M119 Howitzer for Low-Velocity Airdrop on Type V Platform
STOWING CARGO PARACHUTE
3-10. Prepare the parachute stowage platform and stow the G-11 cargo parachutes according to FM 4-
20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO-010/TO 13C7-1-5 and as shown in Figure 3-28.
Notes. 1. All measurements are given in inches.
2. This drawing is not drawn to scale.
3.
8d common wire nails must be used to join the individual pieces.
1
24
2
PLYWOOD
3
(¾ X 48 X 70)
2
2
1
1 Nail a 2- by 6- by 70-inch piece of lumber flush with the front and rear edges of a ¾- by 48-
by 70-inch piece of plywood.
2 Nail a 2- by 6- by 37-inch piece of lumber to each side of the plywood as shown.
3 Make three 2-inch holes in each 48-inch side of the platform.
Figure 3-28. Parachute Stowage Platform Constructed
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-33
Chapter 3
3
6
2
4
1
1
9
18
1
Set two stacks of 17 layers each of 18- by 18-inch honeycomb flush against the
accompanying load and stack 3. Set three 36- by 12-inch pieces of honeycomb on the
gun trails 6 inches behind the gun tube support block to support the parachute stowage
platform.
2
Center the parachute stowage platform on the honeycomb stacks. Lash the parachute
stowage platform to clevises 9 and 9A and clevises 18 and 18A.
3
Prepare and install two G-11 cargo parachutes according to FM 4-20.102/MCRP 4-
11.3J/NAVSEA SS400-AB-MMO-010/TO 13C7-1-5.
4
Tie one length of type VIII nylon webbing over the parachutes and to the second bushing
on each rear tandem link to restrain the parachutes.
5
Tie the plywood and 2- by 6-inch lumber of the parachute stowage platform tightly together
through the corner holes with type III nylon cord (not shown).
6
Tie the two-point link on each rear suspension sling to the front corner hole in the
parachute stowage platform with a length of type III nylon cord.
Figure 3-29. Cargo Parachutes Stowed
3-34
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M119 Howitzer for Low-Velocity Airdrop on Type V Platform
INSTALLING EXTRACTION SYSTEM
3-11. Install the EFTC system on the load according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-
AB-MMO-010/TO 13C7-1-5 and as shown in Figure 3-30. If applicable install the extraction parachute
jettison system (EPJS) according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO-010/TO
13C7-1-5.
INSTALLING PROVISIONS FOR EMERGENCY RESTRAINTS
3-12. Install provisions for emergency restraints on the front of the platform according to FM
4-
20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO-010/TO 13C7-1-5.
2
1
1 Install the EFTC mounting brackets to the front set of holes on the left platform side rail.
2 Install the actuator according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO-
010/TO 13C7-1-5.
Figure 3-30. EFTC Installed
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-35
Chapter 3
5
4
3
D8
3 Install the latch assembly and latch assembly adapter to the extraction bracket according
to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO-010/TO 13C7-1-5.
4 Install a 16-foot cable according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-
MMO-010/TO 13C7-1-5. Safety the cable to tie-down ring D8 with ¼-inch cotton webbing.
5 Install a 9-foot (2-loop) type XXVI nylon deployment sling on the load. Bolt it to the latch
assembly and deployment clevis. S-fold the slack and tie the folds with ¼-inch cotton
webbing.
Figure 3-30. EFTC Installed (Continued)
3-36
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M119 Howitzer for Low-Velocity Airdrop on Type V Platform
INSTALLING RELEASE SYSTEM
3-13. Prepare and install an M-1 cargo parachute release according to FM
4-20.102/MCRP
4-
11.3J/NAVSEA SS400-AB-MMO-010/TO 13C7-1-5 and as shown in Figure 3-31.
2
3
3
4
4
1 Prepare and install an M-1 cargo parachute release according to FM 4-20.102/MCRP 4-
11.3J/NAVSEA SS400-AB-MMO-010/TO 13C7-1-5 (not shown).
2 Center the release on the collimator box.
3 Tie the release to convenient points on the load with type III nylon cord.
4 S-fold and tape or tie the slack in the suspension slings with type I, 1/4-inch cotton
webbing.
Figure 3-31. M-1 Release Installed
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-37
Chapter 3
PLACING EXTRACTION PARACHUTE
3-14. Select the extraction parachute and extraction line needed using the extraction line requirements
table in FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO-010/TO 13C7-1-5. Rig the extraction
line in an extraction line bag according to TM 10-1670-286-20/TO13C5-2-41. Place the extraction
parachute and extraction line on the load for installation in the aircraft.
MARKING RIGGED LOAD
3-15. Mark the rigged load as described in FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO-
010/TO 13C7-1-5 and as shown in Figure 3-32. If the load varies from the one shown the weight, height,
CB, and parachute requirements must be recomputed.
3-38
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M119 Howitzer for Low-Velocity Airdrop on Type V Platform
CAUTION
Make the final rigger inspection required by FM 4-20.102/MCRP 4-
11.3J/NAVSEA SS400-AB-MMO-010/TO 13C7-1-5 before the load
leaves the rigging site.
CB
RIGGED LOAD DATA
Weight: Load shown
10,000 pounds
Maximum load allowed
10,500 pounds
Height
83 inches
Width
108 inches
Overall Length
216 inches
Overhang: Front
0 inches
Rear (EFTC)
18 inches
Rear (EPJS)
30 inches
Center of Balance (from front edge of platform)
100 inches
Figure 3-32. M119 Howitzer Rigged for Low-Velocity Airdrop on a Type V Platform
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-39
Chapter 3
EQUIPMENT REQUIRED
3-16. Use the equipment listed in Table 3-1 to rig this load.
Table 3-1. Equipment Required for Rigging the M119 Howitzer for Low-
Velocity Airdrop on Type V Platform
National Stock Number
Item
Quantity
8040-00-273-8713
Adhesive, paste, 1-gallon
As required
Clevis, suspension:
4030-00-678-8562
3/4-inch (medium) emergency restraint
4
4030-00-090-5354
1-inch (large)
5
8305-00-184-2034
Cloth, cotton duck, 60-inch
As required
4020-00-240-2146
Cord, nylon, type III
As required
1670-00-434-5785
Coupling, airdrop, extraction force transfer with
1
16-foot cable
1670-00-360-0328
Cover, clevis, large
1
1670-00-360-0329
Cover, link
6
8135-00-664-6958
Cushioning material, packaging, cellulose wadding
As required
8305-00-191-1101
Felt, ½-inch
As required
1670-01-183-2678
Leaf, extraction line
2
1670-01-064-4452
Line, drogue, 60-foot (1-loop), type XXVI nylon webbing
1
Line, extraction, type XXVI nylon webbing:
1670-01-062-6313
60-foot (3-loop)
1
Or
1670-01-107-7651
140-foot (3-loop)
2
Link assembly:
1670-01-493-6418
Two-point, 3 3/4-in
1
1670-01-493-6420
Two-point, 5 1/2-in
2
Lumber:
5510-00-220-6146
2- by 4- by 96-inch
1
5510-00-220-6148
2- by 6- by 96-inch
5
5510-00-220-6246
2- by 8- by 96-inch
3
Nail, steel wire, common:
5315-00-010-4659
8d
As required
5315-00-164-5121
20d
As required
3-40
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M119 Howitzer for Low-Velocity Airdrop on Type V Platform
Table 3-1. Equipment Required for Rigging the M119 Howitzer for Low-Velocity
Airdrop on Type V Platform (Continued)
National Stock Number
Item
Quantity
1670-00-753-3928
Pad, energy-dissipating, honeycomb
21 sheets
Parachute:
1670-01-016-7841
Cargo, G-11
2
1670-01-063-3716
Cargo, extraction, 22-foot
1
1670-01-063-3715
Drogue, 15-foot
1
Platform, airdrop, type V, 16-foot
1670-01-353-8424
Bracket assembly, coupling
1
1670-01-353-8425
Bracket assembly, extraction
1
1670-01-162-2376
Clevis assembly
38
1670-01-162-2381
Tandem link
4
Plywood:
5530-00-129-7777
½- inch
1 sheet
5530-00-128-4981
¾- inch
9 sheets
1670-01-097-8816
Release, cargo parachute, M-1
1
Sling, cargo airdrop:
For antitumble sling:
1670-01-062-6303
12-foot (2-loop), type XXVI nylon webbing
2
For deployment line:
1670-01-062-6304
9-foot (2-loop), type XXVI nylon webbing
2
For lifting:
1670-01-063-7760
11-foot (2-loop), type XXVI nylon webbing
4
For riser extension:
1670-01-062-6302
20-foot (2-loop), type XXVI nylon webbing
4
For suspension:
1670-01-062-6306
3-foot (4-loop), type XXVI nylon webbing
2
1670-01-062-6304
9-foot (2-loop), type XXVI nylon webbing
2
1670-01-062-6303
12-foot (2-loop), type XXVI nylon webbing
2
1670-00-040-8219
Strap parachute release, multicut
2
1670-00-368-7486
Strap, webbing, nylon (shear strap)
1
7515-00-266-5016
Tape, adhesive, 2-inch
As required
1670-00-937-0271
Tie-down assembly, 15-foot
58
1670-01-483-8259
Tow Release Mechanism (H-block for C-17)
1
Webbing:
8305-00-268-2411
Cotton, 1/4-inch, type I
As required
Nylon:
8305-00-082-5752
Tubular, 1/2-inch
As required
8305-00-263-3591
Type VIII webbing
As required
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-41
Chapter 3
SECTION II - RIGGING M119 MILLIMETER HOWITZER, ACCOMPANYING
AMMUNITION AND 81-MILLIMETER MORTAR
DESCRIPTION OF LOAD
3-17. The M119, 105-millimeter howitzer is rigged on a 16-foot, type V airdrop platform with three G-11
cargo parachutes. This load includes an accompanying load of 30 boxes of ammunition and 7 boxes of
fuzes weighing 3,713 pounds and an 81-millimeter mortar weighing 350 pounds. The howitzer is rigged
for a low-velocity airdrop from a C-130 or C-17 aircraft.
PREPARING PLATFORM
3-18. Prepare a 16-foot, type V platform as described below.
Inspecting platform. Inspect, or assembly and inspect, the platform as outlined in TM 10-1670-
268-20&P/TO 13C7-52-22.
Installing tandem links. Install a tandem link on the front and rear of each rail as shown in
Figure 3-33.
Installing and numbering clevises. Attach and number 44 clevis assemblies as shown in Figure
3-33.
3-42
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M119 Howitzer for Low-Velocity Airdrop on Type V Platform
Notes. 1. The nose bumper may or may not be installed.
2. Measurements given in this chapter are from the front edge of the platform, NOT from
the front edge of the nose bumper.
CLEVISES
22A THROUGH 1 A
LEFT
REAR
FRONT
RIGHT
CLEVISES
22 THROUGH 1
Steps:
1. Install a tandem link on the front of each platform side rail using holes 1, 2, and 3.
2. Install a tandem link on the rear of each platform side rail using holes 30, 31, and 32.
3. Install clevises on bushings 1 and 3 of each front tandem link.
4. Install clevises on bushings 1, 3, and 4 of each rear tandem link.
5. Starting at the front of each platform side rail, install clevises on the bushing bolted on
holes 4, 9, 11, 14, 15, 16, 17, 18, 19, 21, 22, 23, 24, 25, 26, 28, and 29.
6. Starting at the front of the platform, number the clevises bolted to the right side from 1
through 22 and those bolted to the left side from 1A through 22A.
7. Label the tie-down rings according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-
MMO-010/TO 13C7-1-5.
Figure 3-33. Platform Prepared
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-43
Chapter 3
STOWING ACCOMPANYING LOAD
CAUTION
Only ammunition listed in FM 4-20.153/MCRP 4-11.3B/TO 13C7-18-41
may be airdropped.
3-19. Stow the 81-millimeter mortar and four boxes of 81-millimeter ammunition as shown in Figure 3-34.
Stow 28 boxes of 105-millimeter ammunition as shown in Figures 3-35 and 3-36. Two additional boxes of
ammunition will be stowed after the gun is lashed to the platform.
2
B5
A5
B4
A4
4
1
3
3
5
1 Place a 15-foot lashing in tie-down rings A4 and B5.
2 Place a 15-foot lashing in tie-down rings A5 and B4.
3 Center an A-21 cargo bag or a 10- by 10-foot piece of cotton duck cloth over the lashings.
Lay two A7A straps over the cover 36 inches apart and center a third A7A strap over them.
Center a 24- by 62-inch piece of ¾-inch plywood over the straps and the cover. Center a
24- by 62-inch piece of honeycomb over the plywood.
4 Center the mortar baseplate over the honeycomb. Place a 16- by 3-inch piece of
honeycomb on each side of the baseplate.
5 Place a bundle of aiming pole sections on each side of the honeycomb placed in step 4
above. Fill the remaining area with honeycomb cut to fit.
Figure 3-34. Mortar and Ammunition Stowed
3-44
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M119 Howitzer for Low-Velocity Airdrop on Type V Platform
7
6
9
8
6 Place a 24- by 62-inch piece of honeycomb over the items placed in steps 4 and 5.
7 Place the mortar tube along one side of the package. Arrange the mount, bipod, and sight
boxes on the honeycomb. Pad with both cellulose wadding and honeycomb. Fill empty
space with honeycomb.
8 Cover the package with a 24- by 62-inch piece of honeycomb and a ¾- by 24- by 62-inch
piece of plywood.
9 Secure the package as shown with the three A7A straps placed in step 3.
Figure 3-34. Mortar and Ammunition Stowed (Continued)
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-45
Chapter 3
10
11
10 Bring the flaps of the A-21 cargo bag or cotton duck cloth cover over the package. Tie the
cover shut with type III nylon cord.
11 Secure the lashings placed in steps 1 and 2 over the load with a load binder and D-ring.
Figure 3-34. Mortar and Ammunition Stowed (Continued)
3-46
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M119 Howitzer for Low-Velocity Airdrop on Type V Platform
NOTICE OF EXCEPTION
Exception to FM
4-20.102/MCRP
4-11.3J/NAVSEA SS400-AB-
MMO-010/TO 13C7-1-5 is granted to rig ammunition with one layer
of honeycomb.
12
12
13
13
12 Center an 18- by 24-inch piece of honeycomb on each side of the mortar. Place a 15-foot
lashing over each piece of honeycomb in a front-to-rear direction.
13 Place two boxes of mortar ammunition on the honeycomb stacks and flush with the ends of
the mortar package. Bring each of the lashings placed in step 12 through the box carrying
handles, and secure with load binder and D-ring on top of the boxes.
Figure 3-34. Mortar and Ammunition Stowed (Continued)
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-47
Chapter 3
16
14
15
8
7
6
14 Route a 15-foot lashing through clevis 6 and through its own D-ring. Route the lashing
through both carrying handles at the rear of the right boxes and around the rear side.
Route the lashing through both carrying handles at the rear of the left boxes. Secure the
lashing to clevis 6A with a D-ring and a load binder.
15 Route a 15-foot lashing through clevis 8A and through its own D-ring. Route the lashing
through both carrying handles at the front of the left boxes and around the rear side.
Route the lashing through both carrying handles at the front of the rear boxes. Secure the
lashing to clevis 8 with a D-ring and a load binder.
16 Route a 15-foot lashing through clevis 7A and through its own D-ring. Route the lashing
over the top of the ammunition and mortar. Secure the lashing to clevis 7 with a D-ring
and a load binder.
Figure 3-34. Mortar and Ammunition Stowed (Continued)
3-48
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M119 Howitzer for Low-Velocity Airdrop on Type V Platform
Notes. 1. All measurements are given in inches.
2. This drawing is not drawn to scale.
2 X 4
2 X 4
CUTOUTS
CUTOUTS
TOP
3
7
7
19
PLYWOOD
(3/4 X 19 X 88)
8
8
BOTTOM
1 Center two 36- by 84-inch pieces of honeycomb 96 inches from the front edge of the platform
and place two 30-foot lashing on the honeycomb as shown in Figure 3-2, steps 1 and 2.
2 Place 14 boxes of ammunition on the honeycomb and bind the boxes together with the lashings
as shown in Figure 3-2, steps 3 and 4.
3 Cut three endboards as shown using ¾- by 19- by 88-inch pieces of plywood.
4 Place an endboard against the front and rear of the first stack of boxes (not shown).
Figure 3-35. First Stack of Ammunition Lashed
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-49
Chapter 3
11
5
9
6
10
7
8
12
9
10
12
13
14
18
Note. Form nine 30-foot lashings according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-
MMO-010/TO 13C7-1-5.
5
Pass the ends of a 30-foot lashing through clevises 9 and 9A and through the upper slots
in the second endboard. Secure the lashing at the side of the load with two D-rings and a
load binder.
6
Pass the ends of a 30-foot lashing through clevises 14 and 14A and through the upper
slots in the first endboard. Secure the lashing as in step 5.
7
Pass the ends of a 30-foot lashing through clevises 10 and 10A and through the lower
slots in the first endboard. Secure the lashing as in step 5.
8
Pass the ends of a 30-foot lashing through clevises 13 and 13A and through the lower
slots in the first endboard. Secure the lashing as in step 5.
9
Pass the ends of a 30-foot lashing through clevises 12 and 12A and over the top of the
stack of boxes. Secure the lashing in the center of the boxes with two D-rings and a load
binder.
10
Pre-position a 30-foot lashing through clevis 19A and through the upper slots.
11
Pre-position a 30-foot lashing through clevis 18 and through the lower slots.
12
Center two 36- by 84-inch pieces of honeycomb against the second endboard. Place two
30-foot lashings on the honeycomb as shown.
Figure 3-35. First Stack of Ammunition Lashed (Continued)
3-50
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M119 Howitzer for Low-Velocity Airdrop on Type V Platform
1
4
2
3
5
15
16
17
18
19
Note. Form five 30-foot lashings according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-
MMO-010/TO 13C7-1-5.
1 Place the second stack of 14 boxes of ammunition on the honeycomb. Secure the
lashings pre-positioned in step 12, Figure 3-34 around the second stack of boxes.
2 Pass the 30-foot lashing pre-positioned in step 10, Figure 3-34 through clevis 19 and
through the upper slots in the endboard. Secure the lashing at the side of the load with
two D-rings and a load binder.
3 Pass the 30-foot lashing pre-positioned in step 11, Figure 3-34 through clevis 18A and
through the lower slots in the endboard. Secure the lashing as in step 2.
4 Place an endboard against the rear of the stack of boxes. Pass the ends of a 30-foot
lashing through clevises 15 and 15A and through the upper slots in the endboard. Secure
the lashing on the side of the load with two D-rings and a load binder.
5 Pass the ends of a 30-foot lashing through clevises 16 and 16A and through the lower
slots in the endboard. Secure the lashing as in step 4.
6 Pass the ends of a 30-foot lashing through clevises 17 and 17A and over the top of the
stack of boxes. Secure the lashing in the center of the boxes with two D-rings and a load
binder.
Figure 3-36. Second Stack of Ammunition Lashed
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-51
Chapter 3
BUILDING AND PLACING HONEYCOMB STACKS
3-20. Build the honeycomb stacks for the howitzer as shown in Figures 3-5 through 3-7. Place the
honeycomb stacks on the platform as shown in Figure 3-37.
STACK
STACK
STACK
2
1
3
Stack
Position of Stack on Platform
Number
Place stack:
1
Centered 17 ½ inches from front edge of platform.
2
Centered and flush against stack 1.
3
Centered and flush with rear edge of platform.
Figure 3-37. Honeycomb Stacks Placed on Platform
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FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M119 Howitzer for Low-Velocity Airdrop on Type V Platform
PREPARING HOWITZER
3-21. Prepare the howitzer as shown in Figures 3-9 through 3-18.
LIFTING AND POSITIONING HOWITZER
3-22. Lift the howitzer and position it on the honeycomb stacks as shown in Figure 3-19.
LASHING HOWITZER
3-23. Lash the howitzer to the platform with twelve 15-foot lashings as shown in Figures 3-38 and 3-39.
Install and safety the lashings according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO-
010/TO 13C7-1-5.
1
5
7
3
1
5
4
3
Lashing
Tiedown
Instructions
Number
Clevis
Number
Pass lashing:
1
1
Around rail, right side.
2
1A
Around rail, left side.
3
3
Around wheel hub, right side.
4
3A
Around wheel hub, left side.
5
4
Around saddle, behind elevating wheel shaft, right side.
6
4A
Around saddle, left side.
7
5
Through hole in firing platform and around trail, right side.
8
5A
Through hole in firing platform and around trail, left side.
Figure 3-38. Lashings 1 Through 8 Installed
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-53
Chapter 3
11
9
22
20
Lashing
Tiedown
Instructions
Number
Clevis
Number
Pass lashing:
9
20
Through hole in firing platform and around trail, right side.
10
20A
Through hole in firing platform and around trail, left side.
11
22
Through lunette.
12
22A
Through lunette.
Figure 3-39. Lashings 9 Through 12 Installed
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FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M119 Howitzer for Low-Velocity Airdrop on Type V Platform
STOWING ADDITIONAL ACCOMPANYING LOAD
3-24. Stow two boxes of APERS or HERAP ammunition and seven boxes of fuzes as shown in Figures 3-
22 and 3-23.
INSTALLING SUSPENSION SLINGS, ANTITUMBLE SLINGS AND
DEADMAN’S TIE
3-25. Install the suspension slings according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO-
010/TO 13C7-1-5 and as shown in Figure 3-24. Install the antitumble sling as shown in Figure 3-25.
Cover the load as shown in Figures 3-26 and 3-27. Secure and safety the slings as shown in Figure 3-27.
STOWING CARGO PARACHUTES
3-26. Prepare the parachute stowage platform and stow the G-11 cargo parachute according to FM 4-
20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO-010/TO 13C7-1-5 and as shown in Figure 3-40.
Notes. 1. All measurements are given in inches.
2. This drawing is not drawn to scale.
3.
8d common wire nails must be used to join the individual pieces.
1
24
2
PLYWOOD
3
(¾ X 48 X 70)
2
2
1
1 Nail a 2- by 6- by 70-inch piece of lumber flush with the front and rear edges of a ¾- by 48-
by 70-inch piece of plywood.
2 Nail a 2- by 6- by 37-inch piece of lumber to each side of the plywood as shown.
3 Make three 2-inch holes in each 48-inch side of the platform.
Figure 3-40. Parachute Stowage Platform Constructed and Cargo Parachutes Stowed
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-55
Chapter 3
6
5
8
7
11
4
21
4 Set two stacks of 17 layers each of 18- by 18-inch honeycomb flush against the
accompanying load and stack 3. Set three 36- by 12-inch pieces of honeycomb on the
gun trails 6 inches behind the gun tube support block to support the parachute stowage
platform.
5 Center the parachute stowage platform on the honeycomb stacks. Lash the parachute
stowage platform to clevises 11 and 11A and clevises 21 and 21A.
6 Prepare and install three G-11 cargo parachutes according to FM 4-20.102/MCRP 4-
11.3J/NAVSEA SS400-AB-MMO-010/TO 13C7-1-5.
7 Tie the rear parachute restraint strap to the second bushing on each rear tandem link. Tie
the front restraint strap to bushing 27 on each side.
8 Tie the two-point link on each rear suspension link to the front corner hole in the parachute
stowage platform with a length of Type III nylon cord.
Figure 3-40. Parachute Stowage Platform Constructed and Cargo Parachutes Stowed
(Continued)
3-56
FM 4-20.119/TO 13C7-10-31
10 May 2006

 

 

 

 

 

 

 

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