FM 4-20.142 (FM 10-542) 

MCRP 4-11.3P 

NAVSEA SS400-AD-MMO-010 

TO 13C7-51-21 

September 2007 

Airdrop of Supplies and Equipment: 

Rigging Loads for Special Operations

DISTRIBUTION RESTRICTION: Approved for public release; distribution is unlimited 

Headquarters, Department of the Army 

United States Marine Corps 

Department of the Navy 

Department of the Air Force 
This publication is available at 

Army Knowledge Online (www.us.army.mil) and 

General Dennis J. Reimer Training and Doctrine 

Digital Library at (www.train.army.mil). 
*FM 4-20.142 (FM 10-542) 

MCRP 4-11.3P 

NAVSEA SS400-AD-MMO-010 

TO 13C7-51-21 

Field Manual Headquarters 

No. 4-20.142 (10-542) Department of the Army 

United States Marine Corps MCRP Department of the Navy No. 4-11.3P Department of the Air Force 

Naval Sea Command Washington, DC, 19 September 2007 

Technical Order 

No. SS400-AD-MMO-010 

No. 13C7-51-21 

AIRDROP OF SUPPLIES AND EQUIPMENT: 

RIGGING LOADS FOR SPECIAL OPERATIONS 

Contents 

Page 

 PREFACE ..............................................................................................................v

 INTRODUCTION..................................................................................................vii

Chapter 1 RIGGING HIGH SPEED LOW LEVEL AERIAL DELIVERY SYSTEM (HSLLADS) 

CONTAINER LOADS ........................................................................................ 1-1

Section I-Rigging the Container...................................................................... 1-1

Description of Load............................................................................................. 1-1

Preparing Container ........................................................................................... 1-2

Loading Container .............................................................................................. 1-4

Constructing Container Straps ........................................................................... 1-5

Closing Container and Stowing Parachute ........................................................ 1-6

Equipment Required......................................................................................... 1-10

Section II-Modifying and Packing the 22-Foot and 28-Foot Cargo 

Extraction Parachutes ................................................................................... 1-11

Modifying Cargo Extraction Parachute Deployment Bag................................. 1-11

Attaching Static Line and Bridle Loop Breakcord............................................. 1-14

Stowing Suspension Lines ............................................................................... 1-16

Packing Parachute ........................................................................................... 1-16

Stowing Static Line........................................................................................... 1-17

Distribution Restriction: Approved for public release; distribution is unlimited. 

*This publication supersedes FM 10-542/NAVSEA SS400-AD-MMO-010/TO 13C7-51-21, 7 October 1987. 

19 September 2007 i 
Contents 

Chapter 2 RIGGING COMBAT RUBBER RAIDING CRAFT .............................................2-1

Section I-Rigging Single Zodiac F470U Boat.................................................2-1

Description of Load .............................................................................................2-1

Preparing the Platform ........................................................................................2-1

Installing Suspension Slings ...............................................................................2-9

Stowing Sandbags ............................................................................................2-10

Attaching Lashings to the Platform ...................................................................2-11

Building, Placing and Securing Honeycomb Stacks.........................................2-12

Preparing Boat ..................................................................................................2-14

Positioning Boat ................................................................................................2-19

Preparing, Placing, and Securing Accompanying Load ...................................2-20

Installing Load Cover and Lashing Boat...........................................................2-26

Safety Tieing Suspension Slings ......................................................................2-27

Stowing Parachute............................................................................................2-28

Stowing the G-12 Cargo Parachute and 15-Foot Cargo Extraction Parachute2-33

Installing Parachute Release ............................................................................2-35

Installing Flotation Device.................................................................................2-36

Marking Rigged Load........................................................................................2-37

Equipment Required .........................................................................................2-38

Section II-Rigging Double Zodiac F470U Boat.............................................2-40

Description of Load ...........................................................................................2-40

Preparing the Platform ......................................................................................2-40

Installing Suspension Slings and Stowing Sandbags.......................................2-40

Placing and Securing Honeycomb Stacks........................................................2-40

Preparing Boats ................................................................................................2-40

Positioning First Boat ........................................................................................2-40

Preparing and Stowing Accompanying Load....................................................2-40

Leveling, Covering, and Lashing First Boat and Accompanying Load.............2-41

Placing and Loading Second Boat....................................................................2-42

Lashing Second Boat to Platform .....................................................................2-43

Safety Tieing Suspension Slings ......................................................................2-43

Stowing Parachutes ..........................................................................................2-44

Installing Parachute Release ............................................................................2-46

Equipment Required .........................................................................................2-47

Marking Rigged Load........................................................................................2-48

Chapter 3 RIGGING ZODIAC F470U IN A-22 CARGO BAG.............................................3-1

Description of Load .............................................................................................3-1

Adapting A-22 Cargo Bag...................................................................................3-1

Constructing Engine Protection Box ...................................................................3-4

Preparing Skid and A-22 Cargo Bag and Placing Engine Box.........................3-10

Preparing Engine and Securing Engine in Box ................................................3-13

Preparing Boat and Inflation System ................................................................3-17

Collapsing and Folding Boat, Completing Inflation System Connection and 

Loading Fuel Tanks ..........................................................................................3-21

Securing A-22 Cargo Bag.................................................................................3-28

Modifying Type IV Link Assembly for use with Hydraulic Release...................3-32

Installing Parachute Release and Parachutes..................................................3-36

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

ii 19 September 2007 
Contents 

Installing Flotation Devices and Chemical Lights (Optional)............................ 3-41

Marking Rigged Load ....................................................................................... 3-43

Equipment Required......................................................................................... 3-44

CHAPTER 4 RIGGING THE NAVAL SPECIAL WARFARE (NSW) RIGID INFLATABLE BOAT 

(RIB) FOR LOW-VELOCITY AIRDROP............................................................ 4-1

Description of Load............................................................................................. 4-1

Preparing Platform.............................................................................................. 4-2

Installing the Platform Release System............................................................ 4-10

Installing Extraction Force Transfer Coupling (EFTC) ..................................... 4-13

Lifting and Positioning Boat.............................................................................. 4-16

Preparing Boat.................................................................................................. 4-18

Preparing the Sponson Inflation System.......................................................... 4-26

Installing the Water Activated Parachute Release........................................... 4-27

Installing the Boat Cover, Sponson, Ties, and Sponson Covers ..................... 4-28

Preparing Suspension Slings ........................................................................... 4-34

Installing Parachute Stowage Platform ............................................................ 4-35

Installing Cargo Parachutes ............................................................................. 4-36

Installing M-2 Cargo Parachute Release ......................................................... 4-37

Installing Parachute Restraints......................................................................... 4-38

Installing Sponson Activation Lanyard ............................................................. 4-39

Preparing and Testing the NSW RIB Restraint System................................... 4-40

Connecting M-21 Cutter Arming Wire Lanyards .............................................. 4-47

Securing G-12E Parachute Static Line ............................................................ 4-48

Placing Extraction Parachutes ......................................................................... 4-49

Marking the Rigged Load ................................................................................. 4-49

Equipment Required......................................................................................... 4-50

CHAPTER 5 RIGGING THE ADVANCED RESCUE CRAFT (ARC) ON A COMBAT 

EXPENDABLE PLATFORM (CEP)................................................................... 5-1

SECTION I-RIGGING THE GP 800 ARC .......................................................... 5-1

Description of Load............................................................................................. 5-1

Building the Combat Expendable Platform ........................................................ 5-2

Preparing the Platform........................................................................................ 5-4

Preparing and Positioning Honeycomb.............................................................. 5-6

Positioning the ARC ........................................................................................... 5-8

Preparing the ARC ............................................................................................. 5-9

Lashing the ARC .............................................................................................. 5-13

Safety Tieing Suspension Slings...................................................................... 5-16

Stowing Parachute ........................................................................................... 5-17

Installing the Automatic Cargo Parachute Release ......................................... 5-18

Stowing the Extraction Parachute .................................................................... 5-19

Attaching Flotation Devices for Training Loads................................................ 5-21

Marking the Rigged Load ................................................................................. 5-22

Equipment Required......................................................................................... 5-23

SECTION II-RIGGING THE XL1200 ARC....................................................... 5-24

Description of Load........................................................................................... 5-24

Building the Combat Expendable Platform ...................................................... 5-25

Preparing the Platform...................................................................................... 5-27

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 iii 
Contents 

Preparing and Positioning Honeycomb ............................................................5-29

Positioning the ARC..........................................................................................5-31

Preparing the ARC............................................................................................5-32

Lashing the ARC...............................................................................................5-36

Safety tieing Suspension Slings........................................................................5-39

Stowing Cargo Parachute.................................................................................5-40

Installing the Automatic Cargo Parachute Release..........................................5-41

Stowing the Extraction Parachute.....................................................................5-42

Attaching Flotation Devices for Training...........................................................5-44

Marking the Rigged Load..................................................................................5-45

Equipment Required .........................................................................................5-46

CHAPTER 6 RIGGING THE WIND SUPPORTED AERIAL DELIVERY SYSTEM (WSADS) 

SNOW GOOSE...................................................................................................6-1

 GLOSSARY.......................................................................................... Glossary-1

 REFERENCES.................................................................................. References-1

Description of Load .............................................................................................6-1

Installing Air Launch Parachute ..........................................................................6-2

Installing Pyrotechnic Cutters ...........................................................................6-10

Recovery Dispatch Pin Placement ...................................................................6-14

Securing Landing Gear.....................................................................................6-16

Installing Propeller Brake..................................................................................6-18

Installing Deflector Lanyards.............................................................................6-19

Equipment Required .........................................................................................6-21

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

iv 19 September 2007 
Preface 

SCOPE 

This manual tells and shows how to rig the following airdrop loads for special operations: 

• Four different High Speed Low Level Aerial Delivery System (HSLLADS) container loads 

rigged for airdrop from the MC-130 aircraft. 

• Two different inflated Combat Rubber-Raiding Crafts (CRRC) rigged on a Combat Expendable 

Platform (CEP) for low-velocity airdrop from a C-130 or C-17 aircraft. 

• The Rigging Alternate Method Zodiac (RAMZ) is rigged in an A-22 container for low-velocity 

airdrop from a C-130 or C-17 aircraft. 

• The Naval Special Warfare Rigid Inflatable Boat (NSWRIB) is rigged for low-velocity airdrop 

on a specially designed platform from a C-130 or C-17 aircraft. 

• Two different Advanced Rescue Crafts (ARC) rigged on a combat expendable platform (CEP) 

for low velocity airdrop from a C-130 or C-17 aircraft. 

• The Wind Supported Aerial Delivery System (WSADS) Snow Goose is a low-cost, reusable, 

fully autonomous, Unmanned Aerial Vehicle (UAV) that can be used to carry out a variety of 

missions at otherwise inaccessible locations for low velocity airdrop from a C-130 or C-17 

aircraft. 

APPLICABILITY 

This publication applies to the Active Army, the Army National Guard/Army National Guard of the United 

States, and the United States Army Reserve unless otherwise stated. 

USER INFORMATION 

The proponent of this publication is the United States Army Training and Doctrine Command (TRADOC). You 

are encouraged to report any errors or omissions and to suggest ways of making this a better manual. 

Army personnel, send your comments on DA Form 2028 (Recommended Changes to Publications and Blank 

Forms) directly to: 

Director 

Aerial Delivery and Field Services Department 

USA Quartermaster Center and School 

710 Adams Avenue 

Fort Lee, Virginia 23801-1502 

Marine Corps. Readers of this publication are encouraged to submit suggestions and changes through the 

Universal Need Statement (UNS) process. The UNS submission process is delineated in Marine Corps Order 

3900.15A, Marine Corps Expeditionary Force Development System, which can be obtained from the Marine 

Corps Publications Electronic Library Online (universal reference locator: 

http://www.usmc/directiv.nsf/web+orders). The UNS recommendation should include the following 

information: 

• Location of change 

Publication number and title 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 v 
Preface 

Current page number 

Paragraph number (if applicable) 

Line number 

Figure or table number (if applicable) 

• Nature of change 

Addition/deletion of text

Proposed new text

MCCDC will consolidate changes and forward to: 

Director 

Aerial Delivery and Field Services Department 

USA Quartermaster Center and School 

710 Adams Avenue 

Fort Lee, Virginia 23801-1502 

Navy personnel send all correspondence to the (PEO LMW) Program Office. 

Program Executive Officer, 

Littoral and Mine Warfare (PMS NSW) 

614 Sicard St. SE 

Washington Navy Yard, DC 20376-7210 

PEO LMW will consolidate changes and forward to: 

Director 

Aerial Delivery and Field Services Department 

USA Quartermaster Center and School 

710 Adams Avenue 

Fort Lee, Virginia 23801-1502 

Air Force personnel, send your reports on AFTO Form 22 through your respective command Weapons and 

Tactics to: 

Headquarters 

Air Mobility Command (AMC/A3DT) 

402 Scott Drive, Unit 3AI 

Scott AFB, Illinois 62225-5302 

Air Force personnel in Special Operations Command, send your reports on AFTO Form 22 (Technical Order 

Publication Improvement Report). HQ AMC/A3DT will consolidate and forward changes to: 

Director 

Aerial Delivery and Field Services Department 

USA Quartermaster Center and School 

710 Adams Avenue 

Fort Lee, Virginia 23801-1502 

Also, send an information copy of AFTO Form 22 to:

 584 CBSS/GBMUDE

 380 Richard Ray Blvd

 STE 104

 Robins AFB, Georgia. 31098-1640 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

vi 19 September 2007 
Introduction 

Introduction 

DESCRIPTION OF ITEMS 

The descriptions of the items rigged in this manual are given below: 

• High Speed Low Level Aerial Delivery System (HSLLADS): The HSLLADS container is an 

adjustable container made of an A-21 cargo cover and other airdrop items. The dimensions and 

weight capacity of the container is determined by the load being airdropped. 

• Zodiac F470U Combat Rubber Raiding Craft (CRRC): The inflated Zodiac 470U boat is 

airdropped singly or in pairs. Each boat is 75 inches wide, 22 inches high, 185 inches long and 

may be airdropped utilizing a roll-up floor or hard deck. A single boat weighs approximately 322 

pounds. 

• Zodiac F470U Combat Rubber Raiding Craft rigged in an A-22 Container or Rigging 

Alternate Method Zodiac (RAMZ): The boat is rigged in an A-22 container rigged for lowvelocity airdrop over water. The boat is deflated and rigged for rapid inflation and deployment 

once in the water. 

• Naval Special Warfare Rigid Inflatable Boat (NSWRIB): The NSWRIB is 108 inches wide, 

100 inches high and 432 inches long. The boat rigged on its platform can weigh a maximum of 

20,640 pounds. 

• Advanced Rescue Craft (ARC): The ARC is rigged on a 48- x 87-inch combat expendable 

platform for low-velocity airdrop. The load can be rigged with or without a 20-man life raft and a 

rescue board, a rucksack, and an aid bag. The ARC is 70 inches high, 48 inches wide and 111 

inches long. The ARC is 1,140 pounds when rigged. 

• Snow Goose: The Wind Supported Aerial Delivery System (WSADS) Snow Goose is a lowcost, reusable, fully autonomous, unmanned aerial vehicle (UAV) that can be used to carry out a 

variety of missions at otherwise inaccessible locations. It is quickly configurable for air or 

ground launch deployable missions. 

SPECIAL CONSIDERATIONS 

CAUTION 

Only ammunition listed in FM 4-20.153/MCRP 4-11.3B/TO 13C7-18-41 

may be airdropped. Only ammunition and supplies approved for high 

velocity or HSLLADS airdrop may be airdropped by HSLLADS. When 

a dangerous material is being rigged, the container must be marked, 

labeled and comply with AFMAN 24-204(I)/TM 38-250/NAVSUP PUB 

505/MC0 P4030.19H/DLAI 4145.3. A copy of this manual must be 

available to the joint airdrop inspectors during the before and after 

loading inspections. 

HSLLADS Container. The following items apply to the HSLLADS container: 

• A multiple drop of four HSLLADS containers may be airdropped on one pass provided the total 

weight of the load does not exceed 2,200 pounds. 

• The type XXVI nylon webbing used to secure multiple HSLLADS loads will be furnished by the 

US Army. 

• HSLLADS containers are airdropped from the MC-130 aircraft only. 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 vii 
Introduction 

Note. For Air Force use only. A HSLLADS container weighing at least 250 pounds may be 

airdropped for continuance training purposes only, provided the 35 pounds per square foot 

minimum is maintained. For unilateral training loads honeycomb is not required. 

Boats and Parachutists. The following items apply to boats and parachutists: 

• At no time will the total number of static lines on the anchor line cable for personnel and cargo 

exceed 20. 

• The total rigged weight of rubber raiding craft loads on CEP must be a minimum of 2,100 

pounds. Sandbags or other ballast may be added to the platform for this purpose. 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

viii 19 September 2007 
Chapter 1 

Rigging High Speed Low Level Aerial Delivery System 

(HSLLADS) Container Loads 

SECTION I-RIGGING THE CONTAINER 

DESCRIPTION OF LOAD 

1-1. The HSLLADS container (Figure 1-1) is an adjustable container made of an A-21 (nylon) cargo 

cover and other airdrop items. The assembled items are rigged to ensure that the container will withstand 

the shock of the parachute opening when airdropped at high speeds. 

Figure 1-1. High Speed Low Level Aerial Delivery System (HSLLADS) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 1-1 
Chapter 1 

PREPARING CONTAINER 

1-2. Dimensions of the load base in these procedures are typical. The size of the load base may change to 

fit other supply loads. Prepare the load base and HSLLADS container as shown in Figures 1-2 and 1-3. 

CAUTION 

When a container is rigged for delivery from Air Force aircraft, the 

rigged weight divided by the largest surface area (measured in square 

feet) must be a minimum of 35 pounds per square foot. 

SKID TIEDOWN 6 SKID TIEDOWN 4 SKID TIEDOWN 2 

SKID TIEDOWN 5 SKID TIEDOWN 3 SKID TIEDOWN 1 

Drill 1/2-inch diameter holes 4 inches from each corner and 1 inch from the edge of a 3/4- 

by 30- by 48-inch piece of plywood. 

Center two additional 1/2-inch diameter holes on each 48 inch side of the skid 4 inches 

from each other and 1 inch from the edge. 

Thread a 12-foot length of 1/2-inch tubular nylon webbing through each pair of holes in the 

skid. (Doubled, type III nylon cord may be used). 

Note. Denoted skid tiedown numbers are referred to in Figure 1-7. 

1. 

2. 

3. 

Figure 1-2. Skid Prepared 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

1-2 19 September 2007 
Rigging High Speed Low Level Aerial Delivery System (HSLLADS) Container Loads 

1 

2 

3 

4 

4. 

5. 

6. 

7. 

Center a 30- by 48-inch piece of honeycomb on the skid. 

Thread three 12- foot lengths of type X nylon webbing through the keepers on the A-21 

cargo cover.

Place the cover, with the webbing down, on top of the honeycomb and skid. 

Center another 3/4- by 30- by 48-inch piece of plywood and a 30- by 48-inch piece of 

honeycomb on top of the cargo cover. This is the load base. 

Figure 1-3. A-21 Honeycomb, Container Cover and Load Base Placed on Skid 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 1-3 
Chapter 1 

LOADING CONTAINER 

1-3. Place the items to be airdropped on the honeycomb in the manner shown in Figure 1-4. Place the 

durable or heavy items on the bottom and the lighter or more fragile items on the middle or top layers. Use 

the cellulose wadding, felt or honeycomb to cushion the rigged items. Use honeycomb to level and square 

the load before closing the container. 

Note. The rigged container must weigh at least 250 pounds but no more than 600 pounds. 

1. Place the items to be airdropped on the load base. 

Note. Only items that have been tested and approved for high-velocity or HSLLADS airdrop may be loaded in this container. 

2. Square the load using the necessary honeycomb pieces. 

3. Place a 3/4-inch piece of plywood cut to fit on each side of the load. 

4. Tie the plywood in place with type III nylon cord. 

3 

2 

3 

4 

1 

Figure 1-4. Load Positioned on Load Base with Sideboards in Place 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

1-4 19 September 2007 
Rigging High Speed Low Level Aerial Delivery System (HSLLADS) Container Loads 

CONSTRUCTING CONTAINER STRAPS 

1-4. Construct two container straps as shown in Figure 1-5. 

Note. 1. Sewing should be five to seven stitches per inch. 

2. All dimensions given are in inches. 

3. This drawing is not to scale. 

Friction Adapter: 

(Part No. MS22040-2) 

4 

6 

1/8 

3/16 

Stitching 3 

Buffer 

(2 1/4-inch, 

Type X Nylon 

Webbing) 

33-inch, Type X 

Nylon Webbing 

10 

3 3/4 1/4 

1 

1 1/2 

1 

TOP VIEW 

SIDE VIEW 

1. 

2. 

3. 

4. 

Cut a 33-inch and a 2 1/4-inch length of type X nylon webbing. 

Sear both ends of the webbing (not shown). 

Sew a friction adapter and buffer in one end and a loop in the other end. 

Use number 3 or 5 cord and sew the 6-inch, four-point WW stitch. 

Figure 1-5. HSLLADS Container Strap Prepared 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 1-5 
Chapter 1 

CLOSING CONTAINER AND STOWING PARACHUTE 

1-5. Close the container and secure the skid as shown in Figures 1-6 and 1-7. Attach and restrain a 22­

foot cargo extraction parachute to the load as shown in Figures 1-8 and 1-9. If a 22-foot cargo extraction 

parachute is not available, use a 28-foot cargo extraction parachute. 

1. Close the cargo cover, and fold under the excess material. 

2. Place a 3/4-inch piece of plywood, cut to fit, on top of the load. 

3. Fit the loop end of a container strap on the bolt of a cargo suspension clevis. 

4. Pass the free end of a 12-foot, type X nylon webbing strap (attached to the A-21 container 

cover) through the container strap's friction adapter. 

5. Attach the second container strap to the other end of the 12-foot, type X nylon webbing 

strap and then bolt the second cargo suspension clevis in the same manner as in steps 3 

and 4. 

6. Run the remaining type X nylon webbing straps around the container. Pass the ends of the 

straps under and up through the cargo suspension clevises. 

7. Place a D-ring on each end of the type X nylon webbing straps. 

2 

7 

6 

5 

3 

1 

4 

SIDE VIEW 

Figure 1-6. HSLLADS Container Closed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

1-6 19 September 2007 
5 

Rigging High Speed Low Level Aerial Delivery System (HSLLADS) Container Loads 

Steps: 

1. Tie an end of the 12-foot length of 1/2-inch tubular nylon (positioned on the skid in Figure 1­

1) to each clevis indicated below under the first tie column using three half-hitch knots and 

one overhand knot. 

2. Form a loop an appropriate distance from the end of each piece of 1/2-inch tubular nylon for 

the second tie. Pass the free end through the clevis indicated below in the second tie column 

and back through the loop. Pull the 1/2-inch tubular nylon tight, and tie it with three half-hitch 

knots and one overhand knot. 

6 

5 

3 

1 

3 

5 

2 

1 

4 

6 

2 

CLEVIS 2 

CLEVIS 1 

4 

Skid Tie-down Number First Tie Second Tie 

1 

2 

3 

4 

5 

6 

Clevis 1 

Clevis 1 

Clevis 1 

Clevis 2 

Clevis 2 

Clevis 2 

Clevis 2 

Clevis 2 

Clevis 2 

Clevis 1 

Clevis 1 

Clevis 1 

Figure 1-7. Skid Tied to the Container 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 1-7 
Chapter 1 

1

2 

3 

4 

4 

1. 

2. 

3. 

4. 

Prepare and pack a 22- or 28-foot cargo extraction parachute according to TM 10-1670­

277-23&P (28ft) or TM-1670-279-23&P (22-ft). 

Place the adapter web of the cargo extraction parachute on a cargo suspension clevis. 

Place four D-rings on the bolt of the cargo suspension clevis that has the adapter web 

attached. 

Tighten all straps. Fold any excess webbing, and tape it or tie it with 80-pound cotton 

webbing. 

Figure 1-8. Parachute Prepared 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

1-8 19 September 2007 
Rigging High Speed Low Level Aerial Delivery System (HSLLADS) Container Loads 

CAUTION 

The load band must be as tight as possible to prevent it from stretching 

when it is attached to the release system. 

1. Be sure the parachute is installed so that the apex faces forward in the aircraft. Restrain 

the parachute to the load with a tie of one turn of single, type I, 1⁄4-inch cotton webbing from 

each of the four cluster attaching loops to the straps on the container. 

2. Use a 15-foot tiedown strap or a length of type XXVI, nylon webbing with two D-rings 

attached as a load band around the rigged HSLLADS container at the estimated vertical 

center of balance. 

3. Place the two D-rings on the front of the load. Secure the tiedown strap with a D-ring and a 

load binder. 

1 1 

3 

2 

FRONT 

Figure 1-9. Parachute Restrained and Load Band Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 1-9 
Chapter 1 

EQUIPMENT REQUIRED 

1-6. The equipment needed to prepare and rig the HSLLADS container is listed in Table 1-1. 

Table 1-1. Equipment Required for Rigging a HSLLADS Container 

National Stock Number Item Quantity 

4030-00-678-8562 Clevis, 3/4-inch medium 3 

4030-00-360-0304 Clevis, small 3 

4020-00-240-2146 Cord, nylon, type III, 550-lb As required 

1670-00-360-0321 Cover, canvas, type A-21 bag 1 

8135-00-664-6958 Cushioning material (Cellulose wadding) As required 

5365-00-937-0147 D-ring, 10,000- lb 6 

8305-00-958-3685 Felt, 1/2-inch As required 

1670-00-753-3928 Pad, energy-dissipating, honeycomb As required 

Parachute, cargo extraction: 

1670-00-687-5458 22-ft. or 1 

1670-00-262-1797 28-ft. with deployment-bag 1 

5530-00-618-8073 Plywood, 3/4-inch As required 

1670-00-136-9820 Static line, cargo parachute with universal static line 1 

No NSN Strap, container assembly (fabricated locally) 2 

1670-00-937-0271 * Tie-down assembly, 15-ft. 1 

Webbing: 

8305-00-268-2411 Cotton, type I, 1/4-inch As required 

8305-00-082-5752 Nylon, tubular, 1/2-inch As required 

8305-00-268-2455 Nylon, tubular, 1-inch As required 

8305-00-261-8585 Nylon, type VIII As required 

8305-00-261-8584 Nylon, type X 12 yd. 

* When the following item is not available, the following items are required: 

1670-00-937-0272 Binder, load, 10,000-lb. 1 

1670-00-937-0147 D-ring 2 

8305-00-206-9219 Webbing, nylon, type XXVI 15-ft. 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

1-10 19 September 2007 
Rigging High Speed Low Level Aerial Delivery System (HSLLADS) Container Loads 

SECTION II-MODIFYING AND PACKING THE 22-FOOT AND 28-FOOT CARGO 

EXTRACTION PARACHUTES 

MODIFYING CARGO EXTRACTION PARACHUTE DEPLOYMENT 

BAG 

1-7. Remove the pendulum line, safety cords, deployment bag bridle loop, and V-rings from the 

deployment bag as shown in Figure 1-10. Construct two bridle straps as shown in Figure 1-11. Attach the 

bridle straps to the deployment bag as shown in Figure 1-12. 

Note. 1. If the 28-foot cargo extraction parachute is to be used, the deployment bag must be used. Prepare the bag as you 

would for the 22-foot cargo extraction parachute. 

2. Do not remove the slot reinforcement. 

2 

2 

3 

1 

1 

1. 

2. 

3. 

Cut the V-rings off the deployment bag. 

Cut the safety cords off the bag. 

Cut the bridle loop strap from the deployment bag. 

Figure 1-10. Deployment Bag Modified 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 1-11 
Chapter 1 

2 

3 

3 

4 1

1. 

2. 

3. 

4. 

Cut two 24-inch lengths of treated, type VIII nylon webbing. 

Sear the cut ends. 

Form a 4-inch roll in the center of each strap. 

Stitch around the roll and across the center of the roll with ticket 3 nylon cord. 

Figure 1-11. Bridle Straps Formed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

1-12 19 September 2007 
Rigging High Speed Low Level Aerial Delivery System (HSLLADS) Container Loads 

1 1 

2 

1. 

2. 

Sew one end of a bridle strap to a main strap (on each side of the bag) with a 5-inch fourpoint WW stitch formation. Use ticket 3 nylon cord. 

Cross the bridle straps diagonally over the end of the bag. Sew the free end of each bridle 

strap to the main strap on the other side of the bag with a 5-inch four-point WW stitch 

formation. 

Figure 1-12. Bridle Straps Attached to the 22-Foot Cargo Extraction Parachute Deployment 

Bag 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 1-13 
Chapter 1 

ATTACHING STATIC LINE AND BRIDLE LOOP BREAKCORD 

1-8. Using the G-14/Universal Static Line (USL) cargo parachute static line, attach the static line to the 

bag bridle straps with a length of 1-inch tubular nylon webbing as shown in Figure 1-13. Make the bridle 

loop break cord tie as shown in Figure 1-14. Stow the static line as shown in Figure 1-15. 

2 

1 

1. 

2. 

Use G-14 cargo parachute static line or USL. 

Pass a length of 1-inch tubular nylon webbing through the static line break cord attaching 

loop and around the crossed bridle straps to make a two-ply tie. 

Figure 1-13. Static Line Positioned 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

1-14 19 September 2007 
Rigging High Speed Low Level Aerial Delivery System (HSLLADS) Container Loads 

2 

1 

1. 

2. 

3. 

Secure the 1-inch tubular nylon webbing with a surgeon's knot, locking knot, and an 

overhand knot in the running ends. 

Pass a length of coreless type III nylon cord through the parachute bridle loop and through 

the static line break cord attaching loop. 

Tie the coreless type III, nylon cord using a surgeon’s knot and locking knot with an overhand 

knot in the running end (not shown). 

Figure 1-14. Static Line Attached and Bridle Loop Break Cord Placed and Tied 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 1-15 
Chapter 1 

STOWING SUSPENSION LINES 

1-9. Use ticket number 8/7, cotton thread instead of retainer bands to stow the suspension lines. Attach 

the thread to the suspension line retaining straps by making a loop around the straps. Place the suspension 

line stow between both ends of a length of ticket number 8/7, cotton thread. Secure the ends with a 

surgeon's knot and a locking knot. 

PACKING PARACHUTE 

1-10. Pack the 22-foot cargo extraction parachute according to the procedures in TM 10-1670-279-23&P/ 

TO 13C5-27-2/NAVAIR 13-1-28. If using the 28-foot cargo extraction parachute, pack the parachute 

according to the procedures in TM 10-1670-277-23&P/TO 13C5-28-2/NAVAIR 13-1-30. 

Note. Make the bag-closing tie using one turn single, type I, 1⁄4-inch cotton webbing. 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

1-16 19 September 2007 
Rigging High Speed Low Level Aerial Delivery System (HSLLADS) Container Loads 

STOWING STATIC LINE 

1-11. Stow the static line as shown in Figure 1-15. 

1 

2 

1 

1. 

2. 

Attach a retainer band to each of the two cluster attaching loops nearest the static line. 

S-fold the static line, and secure it with the installed retainer bands. 

Figure 1-15. Break Cord Tie Made and Static Line Stowed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 1-17 
This page intentionally left blank. 
Chapter 2 

Rigging Combat Rubber Raiding Craft 

SECTION I-RIGGING SINGLE ZODIAC F470U BOAT 

DESCRIPTION OF LOAD 

2-1. The description of the load rigged in this section is given below. 

• Inflated zodiac F470U rubber raiding craft. This boat is rigged on a 75- by 144-inch combat 

expendable platform (CEP) with one G-12E cargo parachute. The weight of the boat is 250 

pounds. When inflated, the boat is 75 inches wide, 185 inches long and 22 inches high. One or 

two 35-horsepower outboard engines that weigh 136 pounds each power the boat shown or one 

55 horsepower engine that weighs 215 pounds with a full fuel tank, six paddles weighing a total 

of 24 pounds and two sets of air pumps with hoses are parts of each boat’s equipment. 

Note. A 40-horsepower engine is the largest that may be used on this boat when the boat is 

equipped with the accordion floor. An engine as large as 65-horsepower may be used on this 

boat without the accordion floor. 

• Accompanying load. An accompanying load weighing at least 650 pounds but no more than 

1,170 pounds must be dropped with the boat. 

PREPARING THE PLATFORM 

2-2. Build a new CEP, or recondition a used one, using the procedures shown in Figures 2-1 through 2-4 

and as described below. This platform is used for all the loads in this chapter. 

• New platform. When no used CEP is available, build a new platform for this load as shown in 

Figures 2-1 through 2-4. Salt-treated lumber is recommended for the platform frame. 

• Used platform. When a used CEP is available, inspect and recondition it as described below. 

• Inspecting for damaged or missing parts. Check the platform to see that all parts are present. 

Inspect each part carefully for damage. When the following conditions exist, the platform is not 

suitable for use until it is repaired: 

- Any part is missing. 

- A stringer or spacer block is broken, cracked, split, or severely gouged. 

- A plywood panel is cracked or gouged through at least one ply for a width of 2 inches 

or more. 

- A plywood panel is gouged for a length of 12 inches or more. 

• Inspecting parts, screws or nails. Check the entire platform for loose stringers, spacer blocks, 

and plywood panels. Also, check for loose, missing, damaged, or protruding screws, bolts or 

nails. These defects may be corrected as follows: 

- Nail loose parts that are undamaged. Do not nail in original holes or in the grain line 

used before. Use screws when possible. 

- Replace loose, damaged, or missing nails, screws, and bolts. Reset or remove and 

replace protruding nails, screws, and bolts. 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 2-1 
Chapter 2 

Notes. 1. All dimensions shown are in inches. 

2. Drawing is not to scale. 

1 

2 

3 

4 

Longitudinal Stringers 

(4- by 4- by 144) 

Lateral Stringers 

(2- by 6- by 75) 

Lateral Stringers 

(2- by 4- by 75) 

13 

13 

4 3/4 

4 3/4 

15 

75 

144 

15 

Mark, cut and layout two 4- by 4- by 144-inch pieces of treated lumber to be used as 

longitudinal stringers. Place them 75 inches apart on a level surface with the crowns of the 

stringers down. 

Mark, cut and layout four 2- by 6- by 75-inch pieces of treated lumber to be used as lateral 

stringers across the longitudinal stringers, placing one at each end and the other two at the 

center as shown. 

Mark, cut and layout the four 2- by 4- by 75-inch pieces of treated lumber to be used as 

lateral stringer across the longitudinal stringers, placing the two stringers next to each 2- 

by 6- by 75-inch end stringer as shown. 

Using the measurements shown, measure and mark reference lines and position the eight 

lateral stringers in place. Apply waterproof construction adhesive to each lap joint. Square 

the platform frame and tack the lateral stringers to the longitudinal stringers using 16d 

nails. Place each nail 3 inches inboard of each lateral stringer. 

Note. CEPs built before June 2006 that were used with the Type IV connector link will be used 

until exhausted. 

1. 

2. 

3. 

4. 

Figure 2-1. Platform Frame Built 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

2-2 19 September 2007 
Rigging Combat Rubber Raiding Craft 

Notes. 1. All dimensions shown are in inches. 

2. Drawing is not to scale. 

8 

8 

7 

6 

Longitudinal Stringers 

(4- by 6- by 144) 

25 

25 

7 

5 

Turn the frame over and square the frame. 

Mark, cut and place two 2- by 6- by 144-inch pieces of treated lumber to be used as 

longitudinal stringers on the frame. Assemble and position the inboard side of each 

stringer 31⁄2 inches from the center of the frame’s width as shown. This will create a 7 inch 

space between the two inboard longitudinal stringers. 

Ensure the platform is still square and mark reference lines for the inboard longitudinal 

stringer placement across each lateral stringer. Apply waterproof construction adhesive to 

each lap joint and tack the longitudinal stringers to the outboard lateral stringers using one 

8d nail placed 2 inches inboard from each end. 

Drill two diagonally spaced 3

/16-inch diameter pilot holes, 21⁄2 inches deep at each lateral 

stringer intersection of the two inboard longitudinal stringers. Install a 21⁄2-inch screw into 

each pilot hole. 

Note. Ensure the screw heads are tightened flush with the surface of the longitudinal stringers. 

5. 

6. 

7. 

8. 

Figure 2-1. Platform Frame Built (Continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 2-3 
Chapter 2 

Notes. 1. All dimensions shown are in inches. 

2. Drawing is not to scale. 

Spacer Blocks 

(2- by 6- by 32) 

1 

2 

3 

4 

5 

4 

4 

4 

2

7 1/2 

7 1/2 

5 1/4 

Spacer Blocks 

(2- by 4- by 10) 

Spacer Blocks 

(2- by 4- by 10) 

1. Turn the platform over so the lateral stringers are facing up and ensure the frame is 

square. 

2. Apply waterproof construction adhesive to one side of each spacer block. Adhere the four 

2- by 4- by- 10-inch spacer blocks to the outboard longitudinal stringers as shown, 

maintaining 7 1⁄2 inches between the lateral stringers and stringer blocks. 

3. Center and adhere the two 2- by 6- by 32-inch spacer blocks on the inboard longitudinal 

stringers. 

4. Drill two diagonally spaced 3

/16-inch diameter pilot holes, 4 inches deep, 1 1/2-inches from 

the ends of the lateral stringer. Install a 4-inch screw into each pilot hole. Ensure the screw 

heads are tightened flush with the surface. 

Note. Do not position the pilot holes on the extreme corners of the frame where the corners will be cut-off later. 

5. Drill a 3/16-inch diameter pilot hole, 2 1/2 inches deep, and 1 1/2 inches from the end of 

each spacer block. Drill one hole in each end of the four outboard spacer blocks and two 

holes at each end of both inboard spacer blocks. Install a 2 1/2-inch screw into each pilot 

hole. Ensure the screw heads are tightened flush with the surface. 

Figure 2-2. Spacer Blocks Attached to Frame 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

2-4 19 September 2007 
Rigging Combat Rubber Raiding Craft 

Notes. 1. All dimensions shown are in inches. 

2. Drawing is not to scale. 

3 

2 

2 

1 

Plywood 

(

3

/4- by 48- by 75) 

1. 

2. 

3. 

Apply waterproof construction adhesive to each lateral stringer and spacer block. Mark, cut 

and layout three 3⁄4- by 48- by 75-inch sheets of plywood across the platform frame, 

positioning the plywood flush with the frame’s edges. Nail each plywood sheet to the 

platform frame using one 8d nail placed 2 inches in from the corner of each plywood sheet. 

Using a chalk line, locate and mark the centerline of each lateral stringer across the 

plywood as shown. Repeat for the four longitudinal stringers. 

At the reference line intersection, drill a 3

/8-inch diameter hole through the plywood and 

framing. 

Figure 2-3. Plywood Attached to Frame 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 2-5 
Chapter 2 

Notes. 1. All dimensions shown are in inches. 

 2. Drawing is not to scale. 

4. Using a 7

/8-inch countersink bit, countersink a 1⁄4-inch hole in each 3/8-inch diameter hole 

prepared in Step 3. 

5. Turn the platform over. Using a 1-inch diameter countersink bit, countersink a 3⁄4-inch hole in 

each outboard 3

/8-inch diameter hole prepared in step 4. Additionally, countersink a 3⁄4-inch 

hole in each inboard 3

/8-inch diameter hole prepared in step 4. 

Note. Do not countersink holes too deep or the platform will be structurally weakened. 

6. From the plywood side, insert 6-inch carriage bolts into each outboard longitudinal stringer 

hole and 4-inch carriage bolts into each inboard longitudinal stringer hole. Tap the bolt heads 

into place. Install a washer and nut to the outboard bolts only and tighten until the top of the 

bolt head is flush with the plywood surface. 

Note. The washers and nuts will be installed onto the inboard carriage bolts when the platform is turned over. 

4 

5 

Plywood 

6 

6 

Figure 2-3. Plywood Attached to Frame (Continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

2-6 19 September 2007 
Rigging Combat Rubber Raiding Craft 

Notes. 1. All dimensions shown are in inches. 

2. Drawing is not to scale. 

7 

8 

9 

7. 

8. 

9. 

Starting 41⁄2 inches inboard from the sides and 1 inch in from each end of the platform, drill 

a 2-inch deep pilot hole using a 3

/16-inch bit at 6-inch intervals. Repeat for the plywood 

edges that are flush together across the lateral stringers. Install a 2-inch screw into each 

pilot hole and tighten flush with the surface. 

Using the inboard lateral stringer chalk lines previously prepared as a guide, drill 3

/16-inch 

diameter pilot holes across the platform at each lateral stringer. Start 4 1/2-inches inboard 

from the platform side at 6-inch intervals. Install a 2-inch screw into each pilot hole and 

tighten flush with the surface. 

Drill additional pilot holes 1 inch inboard from the ends of each inboard lateral stringer, 1 

inch inboard from each platform edge and at 6 inch intervals into the spacer blocks. Install 

a 2-inch screw into each pilot hole and tighten flush with the surface. 

Figure 2-3. Plywood Attached to Frame (Continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 2-7 
Chapter 2 

Notes. 1. All dimensions shown are in inches. 

2. Drawing is not to scale. 

2 

1 

1 

3 

1 

1 

Left 

Front 

Rear 

Right 

A1 

A6 

A9 

A4 

A3 

A2 

A8 

A7 

A5 

B8 

B7 

B6 

B5 

B4 

B3 

B2 

B1 

C8 

C3 

C2 

C1 

C7 

C5 

C4 

C6 

D9 

D7 

D6 

D5 

D4 

D3 

D2 

D1 

D8 

2 2 

Corner 

Removed 

1. 

2. 

3. 

Mark a 2-inch square on each corner of the platform. Draw a diagonal line across each 

square as a reference line and saw off each corner with a circular saw to start the cut, and 

a handsaw to finish through the cut thickness. 

Turn the platform right side up, install washers and nuts to the inboard carriage bolts, and 

tighten until the top of the bolt head is flush with the plywood surface. 

Drill a 2-inch hole, 3 inches and centered through the front lateral stringer and plywood as 

shown. 

Note. Inspect the platform. Make sure there are no protruding screws, nails or bolts on the bottom of the platform. 

4. Label the tiedown spaces on each longitudinal stringer as shown above. 

Figure 2-4. Corners Cut Off, Bolts Installed and Tiedown Spaces Numbered 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

2-8 19 September 2007 
Rigging Combat Rubber Raiding Craft 

INSTALLING SUSPENSION SLINGS 

2-3. Install four 16-foot (2-loop), type XXVI nylon webbing slings as suspension slings on the platform. 

Use two 33⁄4-inch two-point link assemblies or two type IV link assemblies with covers to finish installing 

the suspension slings. Installation is shown in Figure 2-5. 

Note. The two-point link cannot be installed on platforms manufactured before June 2006. 

1. Run a 16-foot (2-loop), type XXVI sling from the right side of the platform through tiedown space A2. 

2. Run a 16-foot (2-loop), type XXVI sling from the left side of the platform through tiedown space D2. 

3. Join the two slings together between the center longitudinal stringers using a 33⁄4-inch two-point link 

(shown) or a type IV link assembly. Place the link on the floor between the longitudinal stringers. 

Note. If using the type IV, place a link cover around the type IV link and secure. 

4. Repeat steps 1, 2 and 3 to install the rear slings through tiedown spaces A8 and D8. 

4 

3 

2 

1 

3 

2 1 

A8 

D8 D2

A2 

Front 

Rear 

Figure 2-5. Suspension Slings Installed on Platform 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 2-9 
Chapter 2 

STOWING SANDBAGS 

2-4. Fill 16 sandbags with 35 pounds of sand or gravel in each bag. Stow the sandbags in the platform 

recesses as shown in Figure 2-6. 

CAUTION 

Ensure that all sandbags are securely tied to the platform recess to 

prevent them from separating from the load during the extraction 

deployment sequence. 

2 3 

1 

1 Rear Front 

Lay two sandbags in each platform recess as shown. 

Tie a length of type III nylon cord across both sandbags and to the appropriate tie down 

spaces. 

Form an X over each pair of sandbags using type III nylon cord and tie the cord to the 

appropriate tie down spaces. 

Note. For training drops, use less sand or remove the sandbags before de-rigging the boat. 

1. 

2. 

3. 

Figure 2-6. Sandbags Stowed on Platform 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

2-10 19 September 2007 
Rigging Combat Rubber Raiding Craft 

ATTACHING LASHINGS TO THE PLATFORM 

2-5. Using ten 18-foot and two 26-foot lengths of 1/2-inch tubular nylon webbing, attach the lashings to 

the CEP as shown in Figure 2-7. 

1. Girth-hitch the 18-foot lengths of 1/2-inch tubular nylon webbing through tiedown spaces 

A1, A3, A5, A7 and A9 on the right outboard longitudinal stringer and through tiedown 

spaces D1, D3, D5, D7 and D9 on the left outboard longitudinal stringer. 

2. Pass one of the 26-foot lengths of 1/2-inch tubular nylon webbing through tiedown spaces 

B1 and C1. Even the ends and make an overhand knot about 18 inches from the tiedown 

spaces. 

3. Pass one end of the other 26-foot length of 1/2-inch tubular nylon webbing through tiedown 

spaces B8 and C8. Even the ends and make an overhand knot about 18 inches from the 

tiedown space. 

Rear Front 

Right 

1 

1 

2 

1 

A9 A7 A5 A3 A1 

D9 D7 D5 D3 D1 

B1 

C8 C1

B8 

Left 

3 

Figure 2-7. Boat Lashings Attached 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 2-11 
Chapter 2 

BUILDING, PLACING AND SECURING HONEYCOMB STACKS 

2-6. Build the honeycomb stacks as shown in Figure 2-8. Place and secure the honeycomb stacks as 

shown in Figure 2-9. 

Stack 2 

Stack 3 

Stack 1 

Stack 2 

Stack 3 

Stack 1 

Stack 

Number Pieces Width 

(Inches) 

Length 

(Inches) Instructions 

1 

2 

3 

1 

1 

1 

2 

36 

36 

36 

5 

96 

96 

96 

96 Glue a 5- by 96-inch piece of honeycomb flush with each 

outside edge of the full sheet of honeycomb. 

Figure 2-8. Honeycomb Stacks Built 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

2-12 19 September 2007 
A7 A3

2 4 1 

Right 

Rigging Combat Rubber Raiding Craft 

D7 23

B7 

A7 

D3 

B3 

A3 

3 5 3

Rear Front

Left 

6 

7 

Note. To prevent damage to the honeycomb, tape the edges where the type III nylon cord passes. 

Pass a length of type III nylon cord through tiedown spaces A3 and B3 (not shown). 

Pass a length of type III nylon cord through tiedown spaces A7 and B7 (not shown). 

Pass a length of type III nylon cord through tiedown spaces C3 and D3 (on the left side of 

the platform) and another length through tie down spaces C6 and D7. 

Lay a 36- by 96-inch piece of honeycomb on the right side of the platform 23 inches from 

the front of the platform. Tie the honeycomb in place with the type III nylon cord placed in 

Steps 1 and 2 (not shown). 

Lay a 36- by 96-inch piece of honeycomb on the left side of the platform 23 inches from the 

front of the platform. Tie the honeycomb in place with the type III nylon cord placed in Step 

3. 

Center and glue stack 3 over stacks 1 and 2 flush with the front and rear of the 

honeycomb. 

Tie stack 3 to the inboard longitudinal stringers of the platform with lengths of type III nylon 

cord. 

1. 

2. 

3. 

4. 

5. 

6. 

7. 

Figure 2-9. Honeycomb Placed and Secured 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 2-13 
Chapter 2 

PREPARING BOAT 

2-7. Inflate the boat except the keel. If the keel is inflated, let the air out. Install the hose clips as shown in 

Figure 2-10. Prepare boats with a hard deck (aluminum floorboards) as shown in Figure 2-11. Prepare 

boats with a roll-up floor as shown in Figure 2-12. Prepare and position honeycomb in both boats as shown 

in Figure 2-13. 

2 

2 

Left Right 

1. 

2. 

Remove the hose clips from the stowage pockets behind the transom on the left and right 

sides of the boat (not shown). 

Place the hose clips around the hoses connecting the upper and lower tubes, and tighten the 

hose clips with the wing nuts provided. 

Figure 2-10. Hose Clips Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

2-14 19 September 2007 
Rigging Combat Rubber Raiding Craft 

1. Drill two 1/2-inch holes in both sides of each floor panel. 

2. Drill two additional holes in the rear floor panel centered near the aft edge. 

3. Run a 4-foot length of 1/2-inch or 1-inch tubular nylon webbing through both holes prepared 

in Step 1. Tie the ends of the nylon webbing together with a square knot and an overhand 

knot in the running ends on the bottom of the platform .(Not shown) 

Note. Additional floorboard holes may be drilled to accommodate the accompanying load. 

Floorboard 2 

Aft 

Floorboard 1 

Floorboard 4 

Floorboard 3 

2 

Bow 

1 

1 

1 1 

1 

1 

1 

Left 

1 

Right 

Figure 2-11. Boat Prepared with Hard Deck (Aluminum Floorboards) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 2-15 
Chapter 2 

5 

8 

Right 

4 4 

9 

Bow 

D H

G 

B F

E 

C 

A 

6 

Left 

4. 

5. 

6. 

7. 

8. 

9. 

Run a 6-foot length of 1/2-inch or 1-inch tubular nylon webbing through the two holes 

prepared in Step 2. Secure as in Step 3. 

Install the floor panels, and inflate the boat. 

Note. Additional ties may be added to panels to accommodate the accompanying load. 

Start at the bow of the boat and name the in-boat tiedowns on the right side A, B, C and D. 

Name the in-boat tiedowns on the left side E, F, G and H. 

Tie chemical lights to the bow of the boat and to the center side carrying handles with type 

I, 1/4-inch cotton webbing if dictated by mission requirements (not shown). 

Using type III nylon cord, tie the paddles to the side of the boat in the holders provided. 

Stow an air pump and air hose in each of the pockets provided in the right front and left 

rear of the boat. 

Figure 2-11. Boat Prepared with Hard Deck (Aluminum Floorboards) (Continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

2-16 19 September 2007 
Rigging Combat Rubber Raiding Craft 

1. Girth hitch a 14-foot length of 1/2-inch tubular nylon webbing to the bracket on the inboard 

side of the transom. 

2. Girth hitch two 14-foot lengths of 1/2-inch tubular nylon webbing to the second in-floor D-ring 

from the rear of the boat. Pass the running ends through the nearest safety rope D-ring and 

over the side. 

3. Girth hitch one 14-foot length of 1/2-inch tubular nylon webbing to each of the three 

remaining in-floor D-rings. Pass each running end through the nearest safety rope D-ring and 

over the side. 

4. Start at the bow of the boat and name the in-boat tiedowns on the right side A, B, C and D. 

Name the in-boat tiedowns on the left side E, F, G and H. 

4 

3 

3 2 3 

1 

Bow 

Right 

Left 

F G H E 

A B C D 

Figure 2-12. Boat Prepared with Roll-up Floor 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 2-17 
Chapter 2 

Notes. 1. All dimensions given are in inches. 

 2. Drawing is not to scale. 

Note. The procedures in Step 1 are only used on boats with hard deck (aluminum floorboards). 

1. Pass a 13-foot length of 1/2-inch tubular nylon webbing through each in-boat tiedown 

positioned in Steps 4 and 5 of Figure 2-11. Even the ends, and tie in place with a girth 

hitch. Lay the lengths outside the boat. 

Note. Boats with or without hard deck (aluminum floorboards) will be prepared as shown in Steps 2, 3 and 4. 

2. Set a 13- by 36-inch piece of honeycomb against the transom. 

3. Make 2- by 54-inch cutout on each side, starting from the same end, of a 36- by 96-inch 

piece of honeycomb. 

4. Place the honeycomb on the floor of the boat with the cutouts against the paddles. 

3 36 

54 

96 

2 

1 

1 

4 

2 

Figure 2-13. Honeycomb Prepared and Positioned 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

2-18 19 September 2007 
Rigging Combat Rubber Raiding Craft 

POSITIONING BOAT 

2-8. Center the boat on the platform with the transom even with the front edge of the honeycomb as 

shown in Figure 2-14. 

Front 

1 

1 

1. 

Front 

Set the boat on the platform with transom even with front edge of the honeycomb. 

Figure 2-14. Boat Positioned 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 2-19 
Chapter 2 

PREPARING, PLACING, AND SECURING ACCOMPANYING LOAD 

2-9. Prepare the Johnson Enforcer or Bombardier outboard engine and fuel tanks as shown in Figure 2-

15. Prepare the three tiedown rings as shown in Figure 2-16. Place the engines, fuel tanks, and load as 

shown in Figure 2-17. Secure the tiedown rings as shown in Figure 2-18. Secure the engines, fuel tanks, 

and load as shown in Figure 2-19. 

4 

2 

1 

Wrap the lower unit of the outboard engine with cellulose wadding and tape in place. 

Tie a 6- by 12-inch piece of honeycomb to the lower unit of the outboard engine using type 

III nylon cord. Tape edges of honeycomb with cloth backed adhesive tape to prevent 

cutting by the type III nylon cord. 

Lay a 6- by 6-inch piece of honeycomb on the engine. Fold the operating handle onto the 

honeycomb and tie in place with type III nylon cord Wrap the handle with cellulose 

wadding and tape in place (not shown). 

Tie the engine cover in place with two lengths of type III nylon cord (not shown). Wrap the 

housing with cellulose wadding and tape in place. 

Note. Put only five gallons of fuel in each container if collapsible plastic containers are used. Force out all air before closing 

them. Pad between plastic tanks and engine or other equipment with 1/2-inch felt (not shown). 

Make sure the fuel tank is at least 1/2 full but no more than 3/4 full (not shown). 

Note. If using a metal fuel tank pad with several layers of cellulose wadding, do not cover the handle and tape the wadding 

1. 

2. 

3. 

4. 

5. 

in place. 

Figure 2-15. Johnson Enforcer or Bombardier Outboard Engine and Fuel Tank Prepared 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

2-20 19 September 2007 
Rigging Combat Rubber Raiding Craft 

2 

3 5

1 

1. 

2. 

3. 

4. 

5. 

Use a 60-inch length of 1-inch nylon webbing to make a two-ply tiedown ring 10 inches in 

diameter. 

Tie the ends of the webbing together with a square knot, and tie an overhand knot in each 

free end. 

Wrap the nylon webbing using 2-inch adhesive tape. 

Repeat steps 1 through 3 to form a second tiedown ring (not shown). 

Use a 120-inch length of 1-inch tubular nylon webbing to make a four-ply tiedown ring 10 

inches in diameter. Tie the nylon as in Step 2. Wrap as in Step 3. 

Figure 2-16. Tiedown Rings Formed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 2-21 
Chapter 2 

3 1 

2 

CAUTION 

An accompanying load weighing at least 650 pounds but no more 

than 1,170 pounds must be dropped with a single Zodiac F470U 

boat. Safety the engine to a convenient point in the boat with a 

length of 1/2-inch or 1-inch tubular nylon webbing. 

Lay the outboard engine, operating handle facing up, in the rear of the boat. Place the top 

of the engine 3 inches from the transom. 

Note. If placing a second engine, prepare as in Figure 2-15 and place as shown above. 

Set the fuel tank beside the lower unit. 

Note. Up to four collapsible tanks may be rigged in each boat. 

Lay the rucksacks in the boat. Tie the frames together using type III nylon cord. 

Place the weapons between the two rows of rucksacks. Tie them to a convenient D-ring on 

the boat with two lengths of type III nylon cord (not shown). 

Figure 2-17. Engines, Fuel Tanks and Accompanying Load Placed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 

1. 

2. 

3. 

4. 

2-22 
Rigging Combat Rubber Raiding Craft 

Note. Use the following procedures when securing the tiedown ring in boats with a roll-up floor. 

Secured Using Roll-up Floor 

4 

1 

3 

2 

Place a two-ply tiedown ring over the accompanying load as described. 

Tie a loop in the standing end of the 1/2-inch tubular nylon webbing. Tie an overhand knot 

in the running end. 

Pass the running end of the 1/2-inch tubular nylon through the tiedown ring. 

Pass the running end of the 1/2-inch tubular nylon through the loop made in Step 2. Pull it 

tight and tie with three alternating half hitch knots. Tie an overhand knot in the running end. 

Note. The purpose of this method of tying is to allow the lashings to slide easily off the tiedown ring once cut. 

1. 

2. 

3. 

4. 

Figure 2-18. Tiedown Rings Secured 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 2-23 
Chapter 2 

Note. Use the following procedures when securing the tiedown ring in boats with a hard deck (aluminum floorboards). 

Secured Using Hard Deck Floor 

8 

7 

6 

5 

5. 

6. 

7. 

8. 

Place a two-ply tiedown ring over the accompanying load as described. 

Tie a loop in one end of the 1/2-inch tubular nylon webbing. Tie an overhand knot in the 

running end. 

Pass the loop end through the tiedown ring. 

Pass the opposite end of the 1/2-inch tubular nylon through the loop made in Step 6, pull it 

tight and tie with three alternating half hitch knots. Tie an overhand knot in the running end. 

Figure 2-18. Tiedown Rings Secured (Continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

2-24 19 September 2007 
Rigging Combat Rubber Raiding Craft 

5 

4 2 

3 

1 

5 3

A B 

C D 

E F G H 

1. 

2. 

3. 

4. 

5. 

Cut and place honeycomb over the accompanying load as shown. 

Note. Honeycomb placement over the accompanying load is optional. 

Center a two-ply tiedown ring (Figure 2-16) on the middle unit of the outboard engine. 

Note. Keep the two-ply, 10-inch tiedown ring centered over the middle unit of the outboard engine. Use the procedures in 

Figure 2-18 to secure the in-boat tiedowns, depending on the type of floor used in the boat. 

Pass one tie from in-boat tiedowns C, D, G, and H on both sides of the boat and from the 

tiedown on the transom through the tiedown ring. Tie each tie to the loop made in one of 

the running ends. Secure them to the ring as shown in Figure 2-18 accordingly. 

Note. Route the ties on the transom through the handle on the fuel tank. Secure the fuel tank to a convenient D-ring with 

type III nylon cord. 

Center a two-ply tiedown ring on the rucksacks. 

Use in-boat tiedowns A, B, E and F to restrain the load as described in Step 3 above. 

Figure 2-19. Engines, Fuel Tanks and Accompanying Load Secured 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 2-25 
Chapter 2 

INSTALLING LOAD COVER AND LASHING BOAT 

2-10. Place a 5- by 10-foot piece of cotton duck or nylon cover over the accompanying load and lash the 

boat to the platform as shown in Figure 2-20. 

Left 

5 

Front 

Right 

3 

4 1 3 2

Rear 

Place a 5- by 10-foot piece of cotton duck or nylon cover over the accompanying load. 

Push the edges of the cloth down between the load and the side of the boat. 

Tie the cloth in place with type III nylon cord using the D-rings on the sides of the boat. 

Tie all the 18-foot lashings to the four-ply, 10-inch tiedown ring as described in Figure 2­

16, Steps 1 through 5. 

Pass one end of the rear lashing around each side of the bow. Tie the ends together with 

an overhand knot. Tie the remainder of the lashing to the four-ply, 10-inch tiedown ring as 

described in Figure 2-18, Steps 5 through 8. 

Use the intermediate loop tie to tie each end of the front lashing to the four-ply, 10-inch 

tiedown ring as described in Figure 2-18, Steps 5 through 8. 

1. 

2. 

3. 

4. 

5. 

Figure 2-20. Cover Placed, Secured and Load Lashed to Platform 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

2-26 19 September 2007 
Rigging Combat Rubber Raiding Craft 

SAFETY TIEING SUSPENSION SLINGS 

2-11. Safety the suspension slings as shown in Figure 2-21. 

3 

2 4 

1 

3 

1. 

2. 

3. 

4. 

Raise the suspension slings and install deadman’s tie according to FM 4-20.102/MCRP 4­

11.3JNAVSEA SS400-AB-MMO-010/TO 13C7-1-5/. 

Lower the suspension slings until they touch the tie down ring. 

Tie each sling to the tiedown ring with two lengths of 80-pound, 1/4-inch cotton webbing. 

Tape the slings together at the tiedown ring and at 2-foot intervals with two turns of paper 

masking tape. 

Figure 2-21. Suspension Slings Safety Tied 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 2-27 
Chapter 2 

STOWING PARACHUTE 

2-12. A 15-foot cargo extraction parachute is used to deploy the G-12 cargo parachute after the load is 

pushed from the aircraft. When used as a deployment parachute for this load, the 15-foot cargo extraction 

parachute is packed in a T-10 deployment bag. 

Note. If the standard 15-foot parachute deployment bag is attached to the parachute, remove the 

bag at the bag retaining line. 

• Packing the 15-foot extraction parachute. Use the following items to pack the 15-foot cargo 

extraction parachute in a T-10 deployment bag for use with this load as shown in Figures 2-22 

through 2-26: 

• One T-10 deployment bag with universal static line 

• Retainer bands as required 

• Type I, 1/4-inch cotton webbing 

• Ticket number 5, 8/4 cotton thread 

• One large cargo suspension clevis 

In addition, for a parachute with a 36-inch adapter web, use one 9-foot (3-loop), type XXVI 

nylon sling and one two-point connector link. 

1 2 

1. 

2. 

Attach retainer bands to the first eight stow loops on each side of the T-10 deployment bag. 

Flat fold and long fold the canopy according to TM 10-1670-278-23&P/TO 13C5-26­

2/NAVAIR 13-1-27/TM 01109C-23&P/1. 

Figure 2-22. 15-Foot Extraction Parachute Stowed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

2-28 19 September 2007 
Rigging Combat Rubber Raiding Craft 

1 2

1. 

2. 

Pass two lengths of type I, 1/4-inch cotton webbing through the bridle loop of the 

deployment bag to form a 3-inch loop. Cross the ends of the webbing over the bridle 

attaching loop. Tie them with a surgeon’s knot and locking knot. 

S-fold the canopy into the deployment bag, starting at the upper right corner of the bag. 

Figure 2-23. Deployment Bag Attached and Canopy Stowed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 2-29 
Chapter 2 

2 

3 

1 

4 

Make the locking stows as shown above and according to TM 10-1670-293-23&P/TO 14D1­

2-467-2/TM 01136C-23&P/2. 

Make the first suspension line stow with the upper right retainer band. 

Continue stowing the lines from side to side. 

Pass a length of type I, 1/4-inch cotton webbing through the right side connector link, the 

connector link loops, and the suspension line protector flap loop. Tie it with a surgeon’s knot 

and locking knot. Repeat the procedures on the left side. 

1. 

2. 

3. 

4. 

Figure 2-24. Locking Stows and Suspension Line Stows Made and Connector Links Tied 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

2-30 19 September 2007 
Rigging Combat Rubber Raiding Craft 

3 2 1

1. 

2. 

3. 

Attach a two-point, 3 3/4-inch link assembly to a 36-inch adapter web. 

Attach a 9-foot (3-loop), type XXVI nylon sling to the two point 3 3/4-inch link assembly. 

Bolt a cargo suspension clevis or a two-point, 3 3/4-inch link assembly to the free end of the 

sling (shown). 

Figure 2-25. Deployment Line Installed on 36-inch Adapter Web 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 2-31 
Chapter 2 

1. S-fold the deployment line and the universal static line. Place them on top of the deployment 

bag. 

2. Secure the deployment line and the universal static line in place with two lengths of type I, 

1/4-inch cotton webbing wrapped around the lines and the bag. 

Figure 2-26. Cargo Extraction Parachute Packed in a T-10 Deployment Bag 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

2-32 19 September 2007 
Rigging Combat Rubber Raiding Craft 

STOWING THE G-12 CARGO PARACHUTE AND 15-FOOT CARGO 

EXTRACTION PARACHUTE 

2-13. Prepare and stow one G-12 cargo parachute as shown in Figure 2-27. Stow the 15-foot cargo 

extraction parachute as shown in Figure 2-28. 

1 3 

1. 

2. 

3. 

4. 

5. 

link assembly. 

Lay a 36- by 55-inch piece of honeycomb on the top front of the accompanying load. Extend it 

1-inch past the transom. 

Bend the honeycomb over the load towards the sides of the boat. Tie it to convenient places 

with type III nylon cord. Use tape under the cord to prevent it from cutting the honeycomb. 

(not shown) 

Set a G-12 cargo parachute on top of the honeycomb with the bridle toward the front of the 

platform. 

Tie each corner of the parachute to the platform with one length of type I, 1/4-inch cotton 

webbing. 

Attach the 9-foot sling from the 15-foot cargo extraction parachute to the G-12 cargo 

parachute deployment bag with a cargo suspension clevis (medium) or a two-point, 3 3/4-inch 

5 

4 

2 

Figure 2-27. G-12 Cargo Parachute Positioned on Load and 15-foot Cargo Extraction 

Parachute Attached 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 2-33 
Chapter 2 

1 

2 

4 

3 

1. 

2. 

3. 

4. 

Lay the 9-foot sling of the cargo extraction parachute on top of the G-12 cargo parachute. 

Place the 15-foot cargo extraction parachute on top of the 9-foot sling. 

Tie the extraction parachute to the G-12 cargo parachute with four lengths of ticket number 5, 

8/4 cotton thread. 

Attach rubber retainer bands to the riser retaining loops on the G-12 cargo parachute. Fold 

the static line, and hold the folds in place with the retainer bands. 

Figure 2-28. Cargo Extraction Parachute Placed on Load 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

2-34 19 September 2007 
Rigging Combat Rubber Raiding Craft 

INSTALLING PARACHUTE RELEASE 

2-14. Use the M-1 or the automatic cargo parachute release on this load as shown in Figure 2-29 and 

according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO-010/TO 13C7-1-5. 

2 3 

Perform the pre-drop activation test to insure the automatic cargo parachute release is fully 

functional and ready to use according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-ABMMO-010/TO 13C7-1-5. 

Prepare, install, and safety the M-1 cargo parachute release according to FM 4-20.102/ 

MCRP 4-11.3J NAVSEA SS400-AB-MMO-010/TO 13C7-1-5. 

Prepare, install, and safety the automatic cargo parachute release according to FM 4­

20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO-010/TO 13C7-1-5. 

Note. When using the automatic cargo parachute release, install a 25-foot drag line from the G-12 

deployment bag to the main body of the automatic cargo parachute release. 

1. 

2. 

3. 

Figure 2-29. Cargo Parachute Release Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 2-35 
Chapter 2 

INSTALLING FLOTATION DEVICE 

2-15. Use flotation devices on training loads to help recover the parachute and parachute deployment bag. 

Install the flotation devices as shown in Figure 2-30. Recommended flotation devices include dock 

bumpers, life preservers, diving buoys, and two 12- by 12-inch pieces of honeycomb taped with waterproof 

tape. 

2 

1 

1. 

2. 

Tie one flotation device to the G-12 cargo parachute deployment bag clustering attaching 

straps with 1-inch tubular nylon. 

Tie one flotation device to the clevis between the cargo parachute and the parachute release 

assembly with a length of 1-inch tubular nylon webbing. 

Figure 2-30. Flotation Devices Tied to Load 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

2-36 19 September 2007 
Rigging Combat Rubber Raiding Craft 

MARKING RIGGED LOAD 

2-16. Mark the rigged load according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO010/TO 13C7-1-5 and as shown in Figure 2-31. If the accompanying load varies from the one shown, the 

weight, height, and CB must be recomputed. 

Weight: Load shown .............................................................................................2,470 pounds 

Height .......................................................................................................................... 60 inches 

Width ............................................................................................................................ 75 inches 

Length ........................................................................................................................ 189 inches 

Overhang: Front........................................................................................................... 16 inches 

 Rear ............................................................................................................ 29 inches 

CB (from front edge of platform) .................................................................................. 60 inches 

Figure 2-31. F470 Combat Rubber Raiding Craft Fully Rigged 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 2-37 
Chapter 2 

EQUIPMENT REQUIRED 

2-17. The equipment needed to prepare and rig this load is listed in Table 2-1. Additional items may be 

listed with the load description. 

Table 2-1. Equipment Required for Rigging the Combat Rubber Raiding Craft for Low-Velocity 

Airdrop 

National Stock Number Item Quantity 

8105-00-285-4744 

1670-00-568-0323 

No NSN 

No NSN 

1670-01-064-4928 

4030-00-090-5354 

4030-00-678-8560 

8305-00-242-3593 

4020-00-240-2146 

1670-00-360-0328 

8135-00-664-6958 

1670-01-476-3131 

5306-00-435-8994 

1670-00-039-5073 

1670-00-487-6077 

5510-00-220-6146 

5510-00-220-6148 

5510-00-220-6274 

5315-00-010-4657 

5315-00-010-4659 

5315-00-164-5121 

1670-00-753-3928 

Bag, sand 

Band, rubber, parachute 

Bolt, carriage, 3/8-in dia, 7-in long, with washer and nut (add eight 

for training) 

Bolt, carriage, 3/8-in dia, 5-in long with washer and nut 

Centerline (G-12E, 57 feet) 

Clevis assembly, large, 1-in., shackle 

Clevis, shackle, 3/8 inch diameter 

Cloth, cotton duck, 60 inches 

Cord, nylon, type III, 550 lb 

Cover, clevis, large 

Cushioning material, cellulose wadding 

Deployment bag, w/o static line 

Deployment bag, parachute (G-12) 

Link assembly, two-point, 3 3/4” 

Link assembly connector, type IV 

Lumber: (Platform) 

2- by 4- by 10-in 

2- by 4- by 75-in 

2- by 6- by 30-in 

2- by 6- by 75in 

2- by 6- by 144-in 

4- by 4- by 144-in 

Nail, steel, wire, common: 

6d 

8d 

20d 

Pad, energy-dissipating, honeycomb, 

3- by 36- by 96-in 

6- by 6-in 

6- by 12-in 

7- by 17-in 

7- by 28-in 

7- by 36-in 

36- by 55-in 

36- by 96-in 

16 

As required 

8 

4 

2 

1 

1 

4 yd 

As required 

1 

As required 

1 

2 

2 

4 

4 

2 

4 

2 

2 

As required 

As required 

As required 

4 sheets 

(1) 

(1) 

(1) 

(2) 

(2) 

(1) 

(3) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

2-38 19 September 2007 
Rigging Combat Rubber Raiding Craft 

Table 2-1. Equipment Required for Rigging the Combat Rubber Raiding Craft for Low-Velocity 

Airdrop (Continued) 

National Stock Number Item Quantity 

1670-00-788-8666 Parachute, G-12 1 

1670-01-063-3715 Parachute Cargo 15-ft Extraction 1 

5530-00-128-4981 Plywood, 3/4- by 48- by 75-in 3 

Release, cargo, airdrop: 

1670-01-097-8816 M-1, cargo parachute release 1 

1670-01-337-4366 Automatic cargo parachute release 1 

Sling, cargo, airdrop: 

1670-01-062-6301 3-foot (2 loop), type XXVI 2 

1670-01-062-6304 9-foot (2 loop), type XXVI 1 

1670-01-062-6302 16-foot (2 loop), type XXVI 4 

1670-01-063-7761 20-foot (2-loop), type XXVI 1 

7510-00-266-5016 Tape, adhesive, pressure sensitive, As required 

2-in, OD 

8125-00-074-5124 Tape, adhesive, cloth backed, type As required 

IV, 2-in 

8310-00-917-3945 Thread, cotton, 8/7 (ticket 5) As required 

8305-00-268-2411 Webbing, textile (cotton, type I, As required 

Nat, 1/4-in, 80lb.) 

8305-00-262-2455 (GRN) Webbing, textile nylon, tubular As required 

8305-00-082-5752 (WHT) 1/2-in, OD 

8305-00-268-2455 Webbing, textile nylon, tubular, 1­ As required 

in 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 2-39 
Chapter 2 

SECTION II-RIGGING DOUBLE ZODIAC F470U BOAT 

DESCRIPTION OF LOAD 

2-18. The description of the load rigged in this section is given below. 

• Inflated Zodiac F470 rubber raiding craft. This boat is rigged in tandem on a 75- by 144-inch 

combat expendable platform (CEP) with a G-12E cargo parachute. Tandem loads require two 

parachutes. The boats weigh 250 pounds each. When inflated, each boat is 75 inches wide, 185 

inches long, and 22 inches high. One or two 35-horsepower outboard engines that weigh 136 

pounds each power the boat shown or one 55-horsepower engine that weighs 215 pounds with a 

full fuel tank. Six paddles weighing a total of 24 pounds and two sets of air pumps with hoses are 

part of each boat’s equipment. 

Note. A 40-horsepower engine is the largest that may be used on this boat when the boat is 

equipped with the accordion floor. An engine as large as 65-horsepower may be used on this 

boat with a solid floor. 

• Accompanying load. An accompanying load weighing at least 650 pounds but no more than 

1,170 pounds must be dropped with the boat. 

PREPARING THE PLATFORM 

2-19. Build a new CEP, or inspect and repair a used platform, using the procedures shown in Figures 2-1 

through 2-4 and as described in paragraph 2-2. 

INSTALLING SUSPENSION SLINGS AND STOWING SANDBAGS 

2-20. Install four suspension slings on the platform according to paragraph 2-3 and Figure 2-5. Stow 

sandbags on the platform according to paragraph 2-4 and Figure 2-6. 

PLACING AND SECURING HONEYCOMB STACKS 

2-21. Build, place, and secure the honeycomb stacks as shown in Figures 2-8 and 2-9 

PREPARING BOATS 

2-22. Inflate the boats except the keel. If the keel is inflated, let the air out. Install the hose clips as shown 

in Figure 2-10. Prepare the boats as shown in Figures 2-10 through 2-12. 

POSITIONING FIRST BOAT 

2-23. Position the first boat as shown in Figure 2-14. 

PREPARING AND STOWING ACCOMPANYING LOAD 

2-24. Prepare and stow the outboard engines, fuel tanks, paddles, all boat accessories, and accompanying 

load as described in paragraph 2-9 and Figures 2-15 through 2-17. 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

2-40 19 September 2007 
Rigging Combat Rubber Raiding Craft 

LEVELING, COVERING, AND LASHING FIRST BOAT AND 

ACCOMPANYING LOAD 

2-25. Level the load on the first boat, position the load cover, and lash the boat to the platform as 

described below, and shown in Figure 2-31. 

• Use honeycomb pieces to level the load to the top of the engine. If collapsible fuel tanks are 

used, fit honeycomb around them by standing the honeycomb on edge for support. 

• Place a 30- by 90-inch piece of honeycomb on top of the leveled load. 

• Cover the load as shown in Figure 2-20. 

• Lash the boat to the platform as shown in Figures 2-18, 2-20, and 2-31. 

Figure 2-31. Load Covered, Tied in Place and Boat Lashed to Platform 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 2-41 
Chapter 2 

PLACING AND LOADING SECOND BOAT 

2-26. Prepare, place, load, and cover the second Zodiac F470U boat as shown in Figure 2-32. 

1 2

1. 

2. 

Inflate the second boat except the keel (not shown). Prepare it according to Figures 2-10 

through 2-12. 

Prepare, stow, and cover third engine, fuel tanks, and load items according to Figures 2-15 

through 2-20. 

Figure 2-32. Second Boat Prepared, Placed and Covered 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

2-42 19 September 2007 
Rigging Combat Rubber Raiding Craft 

LASHING SECOND BOAT TO PLATFORM 

2-27. Lash the second boat to the platform as shown in Figures 2-32 and 2-33. 

SAFETY TIEING SUSPENSION SLINGS 

2-28. Make a deadman’s tie, and safety 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 Figures 2-21 and 2-33. 

1 

2 2 

3 

1. 

2. 

3. 

4. 

Center the four-ply tiedown ring over the load cover of the second boat. 

Position the lashings and tie them to the tiedown ring as shown in Figures 2-18 through 2-20. 

Raise the suspension slings, and make the deadman’s tie, using 1/2-inch double or 1-inch 

tubular nylon webbing according to FM 4-20.102/ MCRP 4-11.3J/NAVSEA SS400-AB-MMO010/TO 13C7-1-5, using 1/2-inch double or 1-inch tubular nylon webbing. 

Lower the slings and tie them to the tiedown ring as shown in Figure 2-21. 

Figure 2-33. Boat Lashed and Suspension Slings Safety Tied 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 2-43 
1 

6 

Chapter 2 

STOWING PARACHUTES 

2-29. Stow parachutes as described below. 

• Lay a 36- by 55-inch piece of honeycomb across the load cover of the second boat as shown in 

Figure 2-34. 

• Prepare and pack the 15-foot cargo extraction parachute as described in paragraph 2-12. 

• Prepare two G-12 cargo parachutes. Stow them on front of the load according to FM 4­

20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO-010/TO 13C7-1-5. 

3 

1 

4 

1. 

2. 

3. 

4. 

Lay a 36- by 55-inch piece of honeycomb across the load cover of the second boat extending 

1-inch past the transom. 

Bend the honeycomb over the load. Tape the edges of the honeycomb (not shown). 

Set two G-12 cargo parachutes on the honeycomb with the riser extension compartment up 

and the bridle toward the front of the platform. 

Cluster the parachutes together with single lengths of type I, 1/4-inch cotton webbing. 

Figure 2-34. Parachutes Stowed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

2-44 19 September 2007 
Rigging Combat Rubber Raiding Craft 

7 

5 

5. 

6. 

7. 

8. 

9. 

Secure the parachutes to convenient points on the load with four lengths of type I, 1/4-inch 

cotton webbing. 

Attach the deployment line (9-foot, type XXVI nylon webbing sling) from the packed 15-foot 

extraction parachute to the G-12 bridles with a two-point link assembly or a medium clevis 

(not shown) 

Center the 15-foot cargo extraction parachute on top of the G-12 cargo parachutes. Safety it 

in place with ticket number 5, 8/4 cotton thread. 

S-fold the slack in the deployment line, and tape the folds. Secure the clustering clevis to the 

riser extension tiedown loops with a double length of type I, 1/4-inch cotton webbing (not 

shown). 

Remove the left secondary bag closing tie from both G-12 parachutes (not shown). 

Figure 2-34. Parachutes Stowed (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 2-45 
Automati

c Cargo 

Release 

Chapter 2 

INSTALLING PARACHUTE RELEASE 

2-30. Use either one M-1 release or two automatic cargo parachute releases according to FM 4­

20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO-010/TO 13C7-1-5. 

8 spool coupler 

G-12 Cargo Parachute 

20-Ft Sling 

3-Ft Sling 3-Ft Sling 

G-12 Clevis 

16-Ft 

sling 

4ea. 

1 

2 

3 

7 

3 

7 

4 

Automatic 

Cargo 

Parachute 

Release 

Figure 2-35. M-1 and Automatic Cargo Parachute Release Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

2-46 19 September 2007 
Rigging Combat Rubber Raiding Craft 

1. 

2. 

3. 

4. 

5. 

6. 

7. 

8. 

Attach the riser extensions on the G-12 parachutes to the two parachute connectors on the 

M-1 release. Safety the release to convenient points on the platform with type III nylon cord. 

Attach 20-foot type XXVI nylon webbing, riser extensions to the main body of the hydraulic 

cargo release. 

Attach a 3-foot sling to the release fitting shackle (lower body). 

Attach opposite ends of the 20-foot riser extension to the large clevis. 

Secure both releases to the donut using a single turn type I, 1/4-inch cotton webbing on both 

ends of each release (not shown). 

Secure the 8 spool load coupler or large clevis to the donut using one turn type I, 1/4-inch 

cotton webbing (not shown). 

Tape excess webbing of 3-foot sling with masking tape. 

Secure cherry buoy to the main body of the hydraulic cargo release with 1-inch tubular nylon 

webbing. (not shown) 

Figure 2-35. M-1 and Automatic Cargo Parachute Release Installed (continued) 

EQUIPMENT REQUIRED 

2-31. In addition to the items listed in Table 2-1, use one additional G-12 cargo parachute, four 36- by 96­

inch pieces of honeycomb, two 5- by 96-inch pieces of honeycomb, two 30- by 90-inch pieces of 

honeycomb, one 13- by 36-inch piece of honeycomb, and one eight spool coupler and another automatic 

cargo parachute release and another 20-foot (2-loop), type XXVI sling. 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 2-47 
Chapter 2 

MARKING RIGGED LOAD 

2-32. Mark the rigged load according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO010/TO 13C7-1-5 and as shown in Figure 2-36. If the accompanying load varies from the one shown, the 

weight, height, and CB must be recomputed. 

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. 

Note. Remove the plastic and tape from the fuel pump and filter and reattach them before using the MARS engine. Inflate the 

keel before using the boat. 

Weight: (maximum suspended weight) .................................................................. 3500 pounds 

Height ..........................................................................................................................86 inches 

Width.............................................................................................................................75 inches 

Length.........................................................................................................................189 inches 

Overhang: Front ...........................................................................................................16 inches 

 Rear .............................................................................................................29 inches 

CB (from front edge of platform)...................................................................................60 inches 

Figure 2-36. Double Zodiac F470U Fully Rigged 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

2-48 19 September 2007 
Chapter 3 

Rigging Zodiac F470U Boat in A-22 Cargo Bag 

DESCRIPTION OF LOAD 

3-1. The description of the load rigged in this section is given below. 

• The Zodiac F470U Combat Rubber Raiding Craft (CRRC) is described in this chapter. This boat 

is rigged in an adapted A-22 cargo bag on a 48- by 48-inch skid board for low-velocity airdrop 

over water. The boat is rigged with the 35-horsepower Marine Amphibious Reconnaissance 

Submersible (MARS) engine installed on the boat transom. This boat is designed for rapid 

inflation and deployment of the boat. The load shown weighs 600 pounds. 

• The accompanying load is limited to equipment that can be stowed on both sides of the engine 

box and secured within the A-22 cargo bag. No accompanying load is shown. 

CAUTION 

This load differs from other rubber boat loads. Strict adherence to 

rigging procedures is critical. 

ADAPTING A-22 CARGO BAG 

3-2. Adapt the long and short tiedown straps on the sling assembly of the A-22 cargo bag as shown in 

Figure 3-1. 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 3-1 
Chapter 3 

2 

1 

1. 

2. 

Install a V-ring to one end of a 36-inch length of type VIII nylon webbing. Prepare a second 

assembly in the same way. 

Thread the free end of each length of type VIII nylon webbing through the quick fit adapter on 

the long tiedown strap. Repeat for the short tiedown strap. 

Figure 3-1. Sling Assembly Adapted 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

3-2 19 September 2007 
Rigging Zodiac F470U Boat in A-22 Cargo Bag 

4 3 

3. 

4. 

Install a parachute harness snap to each of the remaining long and short tiedown straps on 

the sling assembly. Install the parachute harness snap so that it will open inward when the A22 container is closed. 

Make a pull handle for each parachute harness ejector snap. 

Figure 3-1. Sling Assembly Adapted (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 3-3 
Chapter 3 

CONSTRUCTING ENGINE PROTECTION BOX 

3-3. Construct the engine protection box as shown in Figure 3-2. If the engine protection box is to be 

recovered and reused, construct the box of oiled marine-grade plywood and aluminum braces. For one-time 

use, standard plywood and nails may be used. 

Note. This drawing is not to scale. 

1. Drill 1/2-inch holes as shown in a 3/4- by 48- by 48-inch piece of plywood. This piece will be 

the bottom. 

2” 

2” 

48” 

48” 

Figure 3-2. Engine Protection Box Constructed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

3-4 19 September 2007 
Rigging Zodiac F470U Boat in A-22 Cargo Bag 

2. Drill 1/2-inch holes as shown in two 3/4- by 17- by 51-inch pieces of plywood. These pieces 

will be used as the sides. 

3. Cut a 2- by 1/2-inch slot in each side 19 inches from the front edge and 4 inches from the top. 

4. Cut two 3/4- by 17- by 18-inch pieces of honeycomb to be used as the ends. 

TOP 

FRONT 

51” 

17” 

19” 

4” 

4” 

6” 6” 6” 

4” 

18” 

17” 

4” 

4 

3 

2 

Figure 3-2. Engine Protection Box Constructed (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 3-5 
Chapter 3 

5. Join the ends and the sides of the box with a 17-inch length of angled aluminum. Fit the ends 

of the box to the outside edges of the sides. 

6. Drill four holes (one at each end of the brace and two evenly spaced between the end holes). 

Install bolts and nuts using 1 1/2-inch diameter fender washers under each bolt and each nut. 

Figure 3-2. Engine Protection Box Constructed (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

3-6 19 September 2007 
Rigging Zodiac F470U Boat in A-22 Cargo Bag 

Note. This drawing is not to scale. 

2 1/4” 

OVERHANG

2 1/4” 

OVERHANG 7 

7 

8 9 8

7. 

8. 

9. 

Center the sides of the box over the bottom so that the ends overhang the bottom 1 1/2 

inches at the front and rear. 

Join each end of the box to the bottom with a 14-inch length of angled aluminum. Drill holes 

and install fasteners and washers as in step 6. Note that the total overhang at each end for a 

51-inch box is 2 1/4 inches. 

Join each side of the box to the bottom with a 20-inch length of angled aluminum centered 

along each side. Drill holes and install fasteners and washers as in step 6. 

Figure 3-2. Engine Protection Box Constructed (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 3-7 
Chapter 3 

10 

10 

11 

10. Fill a Self Contained Underwater Breathing Apparatus (SCUBA) cylinder with compressed 

air at 3000 pounds per square inch (psi), and position the cylinder in its mounting plate. Place 

the cylinder on the left side of the box base so that the cylinder is 1-inch from the box side, 

and the cylinder valve flush with the front edge of the base. A carbon fiber apparatus 

(SCUBA) cylinder with compressed air at 4500 psi may also be used. 

11. Remove the cylinder. Using the mounting plate as a template, drill holes through the box 

base. Install the mounting plate using the bolts provided. 

Figure 3-2. Engine Protection Box Constructed (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

3-8 19 September 2007 
Rigging Zodiac F470U Boat in A-22 Cargo Bag 

16 

15 

14 

13 

12 

 Sew a V-ring to a 30-inch length of type VIII nylon webbing. 

13. Attach a parachute harness strap to another 30-inch length of type VIII nylon webbing using 

the friction adapter on the snap. Make a pull handle for the snap as shown in step 4 of Figure 

3-1. 

14. With the snap opening facing the inside of the box, attach the strap with the parachute 

harness snap to the slot on the left side of the box using a friction adapter. 

15. Attach the strap with the V-ring to the slot on the right side of the box with a friction adapter. 

16. Place one 13- by 17-inch piece of foam padding in each front side of the box. Secure them 

with type III nylon cord tied through the holes in the sides of the box. 

Figure 3-2. Engine Protection Box Constructed (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 

12. 

3-9 
Chapter 3 

PREPARING SKID AND A-22 CARGO BAG AND PLACING ENGINE 

BOX 

3-4. Prepare the skid board and A-22 cargo bag assembly as shown in Figures 3-3 and 3-4. Place the 

engine box as shown in Figure 3-5. 

1. Drill 1/2-inch holes in skid board according to Figure 3-2, step 1. 

12” 14” 

48” 

48” 

2” 

2” 

Figure 3-3. A-22 Skid Board Prepared 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

3-10 19 September 2007 
Rigging Zodiac F470U Boat in A-22 Cargo Bag 

3 

5 

3 2 2 

2 

4 

1. 

2. 

3. 

4. 

5. 

Place the skid board on dunnage to allow lifting by forklift. (not shown) 

Center a 24-inch length of 1/2-inch tubular nylon webbing through each corner hole. 

Pass a length of 1/2-inch tubular nylon webbing through each pair of holes in the sides of the 

skid board. 

Center a 36- by 42-inch piece of honeycomb on the skid board as shown. 

Center the scuff pad of the A-22 sling assembly over the honeycomb and skid board. 

Figure 3-4. Skid Board and A-22 Cargo Bag Prepared 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 3-11 
Chapter 3 

1 

2 

3 

1. 

2. 

3. 

Center the A-22 cover assembly over the scuff pad. Tuck the slings and cover flaps around 

skid board to allow working space. 

Center the base of the engine box over the skid board and A-22 cargo bag. 

Tie the corners of the skid board to the corners of the engine box using the lengths of 1/2­

inch tubular nylon webbing placed in step 3 of Figure 3-4. 

Figure 3-5. Engine Box Placed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

3-12 19 September 2007 
Rigging Zodiac F470U Boat in A-22 Cargo Bag 

PREPARING ENGINE AND SECURING ENGINE IN BOX 

3-5. Prepare a 35-horsepower MARS submersible engine and secure it in the engine box as described 

below: 

• Prepare the engine with the assistance of a boat operator as described below. 

• Place the shift lever in the NEUTRAL position 

• Open the throttle fully 

• Place the dewatering valve in the OUT position 

• Coat the ignition components with moisture-resistant sealer 

• Place the engine in the engine box, pad it with honeycomb, and secure it as shown in Figure 3-6. 

Note. This drawing is not to scale. 

Note. This length will vary with the model of the engine used. See Step 5 for proper alignment. 

1. Cut a piece of honeycomb as shown. Place it in the bottom of the engine box. 

2. Cut the second piece of honeycomb as shown. Place it in the box, aligning the rear edge with 

the rear edge of the first piece. 

1 

2 

291⁄2” 291⁄2 “ 1 

20” 

12 1/2” 

2” 

NOTE

 2 

121/2” 

2” 

Figure 3-6. Engine Secured in Box 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 3-13 
Chapter 3 

6 

4 3 

5 

Place the engine in the box with the skeg touching the rear of the box. 

Push the propeller and the anti-ventilation plate down into the honeycomb. 

Make sure the metal ledge below the engine cover rests on the honeycomb as shown. (The 

box is NOT shown here for visual purposes.) 

Note. Make sure the engine cover does not rest on the honeycomb. 

6. Leave the engine retention cable outside the box. 

3. 

4. 

5. 

Figure 3-6. Engine Secured in Box (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

3-14 19 September 2007 
Rigging Zodiac F470U Boat in A-22 Cargo Bag 

8 

8 

7 

7. 

8. 

Place four 6- by 30-inch pieces of honeycomb in the box on each side of the lower engine 

shaft. 

Fasten the engine restraint strap snugly over the engine. Pass the strap between the engine 

mounting bracket and drive shaft housing. 

Figure 3-6. Engine Secured in Box (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 3-15 
Chapter 3 

9 

10 

11 

9. Place a layer of 6- by 26-inch honeycomb on each side of the engine, flush with the rear 

corners of the box. 

10. Place an 18- by 18-inch piece of honeycomb flush over the rear of the box. 

11. If the short-shaft engine is being rigged, place a piece of honeycomb or a piece of 2-inch thick 

styrofoam between the top of the engine and the front end of the engine box. 

Figure 3-6. Engine Secured in Box (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

3-16 19 September 2007 
Rigging Zodiac F470U Boat in A-22 Cargo Bag 

PREPARING BOAT AND INFLATION SYSTEM 

3-6. Prepare the F470U boat and the inflation system as described below. 

• Make a pressure check on the boat in accordance with the manufacturer’s manual 

• Make sure the bow line is less than 12 feet long 

• Stow any tools, spare engine parts, foot pump, and hose in the bow storage pouches. Attach 

chemical lights (not red) to the zipper pulls if mission requirements dictate 

• Prepare the boat as shown in Figure 3-7 

• Prepare the inflation system as shown in Figure 3-8 

1 

2 

1. 

2. 

S-fold all loose boat lines. Secure the folds to adjacent rings with retainer bands. 

Loosen the transom straps. 

Figure 3-7. Boat Prepared 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 3-17 
Chapter 3 

1 

2 

1. 

2. 

Make sure all four valves are set in the center of the inflation (red) position. 

Remove the isolator clamps from the shock absorption tubes. Store them in the pouch 

provided. 

Figure 3-8. Inflation System Prepared 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

3-18 19 September 2007 
Rigging Zodiac F470U Boat in A-22 Cargo Bag 

4 5 4

3 

3. 

4. 

5. 

Connect the two Zodiac high-pressure inflation hoses to the Zodiac tee tube. 

Connect the Zodiac high-pressure inflation hoses to the buoyancy tubes. 

Connect the safety lanyard to the aft center D-ring with a small clevis. 

Figure 3-8. Inflation System Prepared (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 3-19 
Chapter 3 

7 6 

6. 

7. 

Make sure the cylinder is placed and secured in its holder, exactly as shown, and that the 

hand wheel faces away from the box wall. 

Place a carabiner or small clevis on the engine securing cable. 

Figure 3-8. Inflation System Prepared (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

3-20 19 September 2007 
Rigging Zodiac F470U Boat in A-22 Cargo Bag 

COLLAPSING AND FOLDING BOAT, COMPLETING INFLATION 

SYSTEM CONNECTION AND LOADING FUEL TANKS 

3-7. Collapse the boat, attach it to the engine, and connect the inflation hoses to the cylinder as shown in 

Figure 3-9. Fold the boat over the engine box as shown in Figure 3-10. Stow the fuel tanks and make the 

final folds as shown in Figures 3-11 and 3-12. 

CAUTION 

Make sure the isolator clamps are removed from the shock absorption 

tubes and stowed. Also make sure all inflation valves are closed and in 

the center of the inflation (red) position. 

2 

1. Use an industrial strength vacuum cleaner to extract the air out of the buoyancy tubes and 

the keel chamber of the boat. (not shown) 

2. Fold the side tubes in toward the center. The bottom seams of the buoyancy tubes will lie 

along the edge of the deflated boat. The left and right tubes will touch as they are folded 

toward the center of the boat. 

Figure 3-9. Boat Collapsed and Attached to Engine, Final Inflation System Connection Made 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 3-21 
Chapter 3 

4 

4 

3 

3 

3. 

4. 

5. 

Open the mounting clips on the engine. Lift the transom of the boat with the help of an 

assistant and slide the transom into the engine mounting clamps. Crush the surrounding 

honeycomb, if necessary. 

Make sure the clips are aligned with the metal engine mounting pads on the transom. Tighten 

the engine mounting clamps. 

Attach the engine safety cable to the ring provided on the transom using a small clevis, or the 

locking carabiner installed in Figure 3-8, Step 7 (not shown). 

Figure 3-9. Boat Collapsed and Attached to Engine, Final Inflation System Connection Made 

(continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

3-22 19 September 2007 
Rigging Zodiac F470U Boat in A-22 Cargo Bag 

6 

7 

6. 

7. 

Center the motor control handle in a 12- by 12-inch piece of honeycomb. Crush the 

honeycomb to allow the handle to lay in it. Secure the honeycomb to the handle with two 

turns of masking tape. 

Route the main inflation hose down into the box on the left side. Allow a smooth turn of the 

hose out of the box to where it joins the cylinder valve. 

Figure 3-9. Boat Collapsed and Attached to Engine, Final Inflation System Connection Made 

(continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 3-23 
Chapter 3 

8 

9 

8. 

9. 

Connect the inflation tube to its connector. 

Route the lanyard through the ring, and attach it to its connector. 

Figure 3-9. Boat Collapsed and Attached to Engine, Final Inflation System Connection Made 

(continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

3-24 19 September 2007 
Rigging Zodiac F470U Boat in A-22 Cargo Bag 

1 

1. Fold the boat up onto the box so that the second floor D-ring is nearly even with the front 

edge of the box. Make sure the floor slats lie flat and the inflation system connections are 

intact. 

Note. Any equipment, such as rucksacks, may be stowed at this stage along the sides of the box. Do not exceed the 

dimensions of this space or the capacity of the cargo parachutes. Use the pre-positioned Type III nylon cord to secure the 

equipment. 

Figure 3-10. Boat Folded over Engine Box 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 3-25 
Chapter 3 

1 

2 

Note. Use 6-, 9-, or 18-gallon plastic collapsible fuel tanks. Use no more than four tanks. 

S-fold and tie the fuel lines on the tanks. 

Place the tanks in aviator kit bags, no more than two 6- or 9-gallon tanks per bag. Set the 

bag on the shelf outside the engine box. Secure the bag to the engine box or to the tow rings 

on the boat. 

1. 

2. 

Figure 3-11. Fuel Tanks Stowed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

3-26 19 September 2007 
Rigging Zodiac F470U Boat in A-22 Cargo Bag 

2 

1 

FRONT 

1. 

2. 

3. 

Fold the bow of the boat to the front as far as the front edge of the engine box. 

Support the boat at the rear with a 26- by 16-inch piece of honeycomb. 

Fold all lifelines under the boat (not shown). 

Figure 3-12. Fuel Tanks Stowed and Final Folds Made 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 3-27 
Chapter 3 

SECURING A-22 CARGO BAG 

3-8. Secure the A-22 cargo bag as shown in Figure 3-13. 

4 

2 

3 

3 

1 2 

1. 

2. 

3. 

4. 

Fold the front and rear A-22 cover flaps up. Fold the excess of each flap under itself so that 

the two flaps just touch. 

Fold the left and right flaps up in the same way as in step 1 above. 

Fasten the front-to-rear long and short tiedown straps using the modifications installed in 

Figure 3-1. Position the fasteners so that they close on the front of the load (the engine end 

of the boat). 

Tie a chemical light to the parachute harness snap. 

Figure 3-13. Cargo Bag Secured 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

3-28 19 September 2007 
Rigging Zodiac F470U Boat in A-22 Cargo Bag 

5 

6 

7 

5. 

6. 

7. 

Fasten the left to right, long and short tiedown straps using the modifications installed in 

Figure 3-1. Position the fasteners so that they close on the top left side of the load. 

Tie a chemical light to the parachute harness snap. 

Fold and tape any excess webbing. 

Figure 3-13. A-22 Cargo Bag Secured (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 3-29 
Chapter 3 

9 

10 

10 

8 

8. 

9. 

Bring all four support web assemblies to the top of the load. Tie all four together through the 

D-rings as shown using a length of Type I, 1⁄4-inch cotton webbing tied in a square knot. 

Install the adapter webs so that the connector snaps face inward. 

10. Close the lower and middle lateral connector snaps loosely so that the bag flaps are held 

securely. Do NOT allow the lateral straps to touch the boat. Do not fasten the upper lateral 

straps. Fold them inward, and tape them to the support web assembly. 

Figure 3-13. Cargo Bag Secured (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

3-30 19 September 2007 
Rigging Zodiac F470U Boat in A-22 Cargo Bag 

11 

11 

11. Tie the skid board to the A-22 sling assembly where the lower lateral straps join the support 

webs as shown using 1⁄2-inch tubular nylon webbing and according to FM 4-20.103/MCRP 4­

11.3C/TO 13C7-1-11. 

Figure 3-13. A-22 Cargo Bag Secured (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 3-31 
Chapter 3 

MODIFYING TYPE IV LINK ASSEMBLY FOR USE WITH 

HYDRAULIC RELEASE 

3-9. Modify the type IV link assembly as shown in Figures 3-14 through 3-17, if the hydraulic release is 

used on this load. 

Note. These drawings are not drawn to scale 

01.250 

0.625 

.625 

.500 

R .312 

R .625 

1. Cut one spacer to the thickness shown above. 

Figure 3-14. Spacer Modified for Release End of Link 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

3-32 19 September 2007 
Rigging Zodiac F470U Boat in A-22 Cargo Bag 

Note. These drawings are not drawn to scale. 

1. Mill the other spacer to the specifications shown so that the D-rings on the A-22 adapter 

webs fit over the spacer. 

ARC IS MEASURED FROM 

DATUM A AT POINT C 

64.923 R1.000 

.531 

.044 

FLAT IS PARALLEL 

TO DATUM A 

A 

DATUM IS PERPENDICULAR TO 

RADIUS OF SPACER AND AT 

POSITION INDICATED 

C 

Figure 3-15. Spacer Modified for Load End of Link 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 3-33 
Chapter 3 

Note. These drawings are not drawn to scale. 

. 

1. Drill holes as shown in both sleeve pins of the link assembly. 

2. Drill a hole in one end of the link assembly body as shown. 

0.090 DRILL 

THROUGH 2 PLACES

 2 

1 

1.807 

.02 A 

.884 

0.156 

Figure 3-16. Link Assembly Body Modified 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

3-34 19 September 2007 
Rigging Zodiac F470U Boat in A-22 Cargo Bag 

Note. These drawings are not drawn to scale. 

COVER PLATE 

(LOCKING FEATURE REMOVED 

FOR CLARITY) 

2 

3 

1 

0.156 

.844 

1. 

2. 

3. 

Drill a hole as shown in the closure end of the side plate. 

Place the milled single spacer on the same end of the link assembly body as the drilled hole. 

Assemble the link as shown. Place the side plate on the link assembly with the drilled hole at 

the same end as the milled spacer. 

Figure 3-17. Side Plate Modified and Link Assembled 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 3-35 
Chapter 3 

INSTALLING PARACHUTE RELEASE AND PARACHUTES 

3-10. Install the automatic cargo parachute release as shown in Figure 3-18. Install two T-10 parachutes 

modified for cargo use as shown in Figures 3-19 through 3-21. 

Note. Army units are not authorized to use the automatic cargo parachute release and must use 

the M-1 cargo parachute release. If parachutes other than the T-10 parachute are used, finish 

rigging the load according to FM 4-20.103/MCRP 4-11.3C/TO 13C7-1-11. 

1 

4 

2 

3 

Note. Install the cargo release with the hydraulic cylinder section attached to the cargo slings and the 

release bolt to the 120-inch parachute risers. 

1. 

2. 

3. 

4. 

Install the automatic cargo parachute release to the split spacer side of the modified type IV 

connector link as described in paragraph 3-9. 

Pass a suitable length of type III nylon cord through the hole in the baseplate of the type IV 

connector link, leaving 18 inches. 

Pass the 18-inch end through the fabric loop in the front adapter web. Tie a loop as shown 

with a bowline knot with an overhand in the running end. 

Tie the free end of the type III nylon cord to the drilled hole in the type IV link cover. 

Figure 3-18. Release Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

3-36 19 September 2007 
Rigging Zodiac F470U Boat in A-22 Cargo Bag 

6 5 

5. 

6. 

Place the D-rings of the adapter webs on the milled spacer of the type IV connector link in the 

following order: front, left, rear, right (clockwise or counterclockwise beginning with the front). 

Install the cover plate on the type IV connector link, facing the drilled hole away from the 

release. Raise the adapter webs and make sure there are no twists in them. 

Figure 3-18. Release Installed (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 3-37 
Chapter 3 

3 

4 4 

1 2 

3-38 

1. 

2. 

3. 

4. 

Tie a chemical light to the type IV connector link with type I, 1/4-inch cotton webbing. 

Tape the adapter webs together in three places with paper masking tape. 

Attach two 120-inch connector straps to the bell portion of a small suspension clevis. Bolt the 

clevis to the release. 

S-fold the riser extensions into 1-foot folds. Tape the folds in two places with paper masking 

tape. 

Figure 3-19. Small Clevis and 120-inch Connector Straps Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 
Rigging Zodiac F470U Boat in A-22 Cargo Bag 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 3-39 

Install two T-10 parachutes modified for cargo on the front of the load. 

Place both of the riser clevises in the loop of the riser extension. Secure the clevis pins and 

make sure the clevis pins remain in the loops of the parachute risers. 

Tape the risers of each parachute individually in three places with two turns paper masking 

tape, just behind the clevises, in the center and 6 inches from the H-bar. 

Tie the inside L-bar connector links on each parachute to the rectangular holes in the nearest 

support web D-rings with type I, 1⁄4-inch cotton webbing. 

Figure 3-20. Riser Extensions and Parachutes Installed 

 2 

2 

3 

1 

4 

1. 

2. 

3. 

4. 
Chapter 3 

1 

1 

1. Pass a single length of type I, 1/4-inch cotton webbing through the support web at the second 

lateral strap. Tie each end to the break cord attaching strap on each parachute deployment 

bag. 

Note. A strobe light is shown at center. Local operating procedure or mission requirements may dictate use of special lighting. 

Figure 3-21. Parachutes Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

3-40 19 September 2007 
Rigging Zodiac F470U Boat in A-22 Cargo Bag 

INSTALLING FLOTATION DEVICES AND CHEMICAL LIGHTS 

(OPTIONAL) 

3-11. Install flotation devices to aid in the recovery of parachutes for training drops as shown in Figure 3­

22. Install chemical lights for night operations as shown in Figure 3-23. 

Note. Flotation devices and chemical lights may not be required for operational drops. 

1 

1 

1. Tie a flotation device to the H-bar of the riser harness of each parachute with type III nylon 

cord. 

Figure 3-22. Flotation Devices Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 3-41 
Chapter 3 

1 

1 1 

1. Tie chemical lights to the support webs on all sides of the load. An inverted V pattern is 

shown. Unit standing operating procedures (SOP) will dictate the use of chemical lights. 

Figure 3-23. Chemical Lights Installed for Night Operations 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

3-42 19 September 2007 
Rigging Zodiac F470U Boat in A-22 Cargo Bag 

MARKING RIGGED LOAD 

3-12. Mark the rigged load according to FM 4-20.103/MCRP 4-11.3C/TO 13C7-1-11 and as shown in 

Figure 3-24. 

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. 

Note. The load shown includes 10 gallons of fuel and no additional equipment. 

Weight: Load shown ................................................................................................600 pounds 

 Maximum load allowed with two T-10 cargo parachutes...........................900 pounds 

Height .......................................................................................................................... 56 inches 

Width ............................................................................................................................ 51 inches 

Length .......................................................................................................................... 51 inches 

Figure 3-24. Zodiac F470U Boat Rigged in A-22 Bag for Low Velocity Airdrop 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 3-43 
Chapter 3 

EQUIPMENT REQUIRED 

3-13. The equipment required to rig the F470U boat in the A-22 cargo bag is listed in Table 3-1. 

Table 3-1. Equipment Required for Rigging F470U Boat in A-22 Cargo Bag 

National Stock 

Number 

Item Quantity 

7125-00-577-5858 

1670-00-587-3421 

1670-00-568-0323 

Local purchase 

No NSN 

4030-00-360-0304 

4020-00-240-2146 

No NSN 

No NSN 

No NSN 

4220-00-059-6061 

4220-00-657-2197 

8135-01-005-8974 

5330-01-363-2634 

No NSN 

No NSN 

No NSN 

6260-01-074-4229 

6260-01-178-5559 

1670-00-783-5988 

No NSN 

Local purchase 

1670-00-753-3928 

1670-01-247-7151 

5530-00-128-4981 

1670-01-310-2875 

5340-00-875-1861 

1670-00-925-7843 

1670-00-738-5879 

7510-00-266-6710 

7510-00-266-5016 

4730-01-364-6035 

No NSN 

1670-00-986-1139 

Local purchase 

Aluminum, angle, 90 degrees 

Bag, cargo, A-22 

Band, rubber, parachute 

Bolt, 1/4- by 1 1/2- in, galvanized 

Charging yoke, SCUBA, w/dust cap 

Clevis, suspension, 5/8-in (small) 

Cord, nylon, type III, 550-lb 

Cylinder, SCUBA, compressed air 

Disconnect, 1/4-in, stainless steel male, NPT 

Disconnect, 1/4-in, stainless steel male, NPT, w/safety detent 

Flotation device, 

LPU 3/P or 

B7 

Foam 

Gasket, paper 

Hose, Zodiac, high pressure inflation 

Hose, rubber, 1/4-in diam, 60-in length, high pressure, 3000 psig, 

....w/male and female threaded ends 

Lanyard, safety, braided stainless steel, w/clips 

Light, chemical, wand, 

Green 

Red 

Link assembly, type IV 

Mounting plate, single, SCUBA 

Nut, hexagonal, 1/4-in, galvanized 

Pad, energy-dissipating, honeycomb 

Parachute, T-10B (modified for cargo) 

Plywood, 3/4-in:

 17- by 18-in

 17- by 51-in

 48- by 48-in 

Release, automatic cargo parachute, 

Snap, parachute harness 

Static line, personnel, (T-10/Universal Static Line) 

Strap, connector, extraction, 120-in 

Tape: 

Masking, 2-in 

PSA, cloth-backed, adhesive, 2-in 

Tube, tee, Zodiac 

Valve, SCUBA 

V-ring, assembly 

Washer, fender, 1 1/2-in, galvanized 

As required 

1 

As required 

136 

1 

1 

As required 

1 

1 

1 

2 

2 

2 sheets 

4 

2 

1 

1 

As required 

As required 

1 

1 

136 

2 sheets 

2 

2 

2 

2 

1 

3 

1 

2 

As required 

As required 

1 

1 

3 

272 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

3-44 19 September 2007 
Rigging Zodiac F470U Boat in A-22 Cargo Bag 

Table 3-1. Equipment Required for Rigging F470U Boat in A-22 Cargo Bag (continued) 

National Stock Item Quantity 

Number 

Webbing:

8305-00-268-2411 Cotton, type I, 1/4-in As required 

8305-00-082-5753 Nylon, tubular, 1/2-in As required 

8305-00-263-3591 Nylon, type VIII As required 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 3-45 
This page intentionally left blank. 
Chapter 4 

Rigging the Naval Special Warfare Rigid Inflatable Boat 

(NSW RIB) for Low-Velocity Airdrop 

DESCRIPTION OF LOAD 

4-1. The NSW RIB is a high-speed boat designed to be airdropped, and quickly recovered. It is rigged on 

a 21-foot Maritime Aerial Delivery System (MADS) platform. The platform separates from the boat during 

deployment, and drops with its own G-12 parachute. The platform is easily recoverable and reusable. The 

load requires four G-11 cargo parachutes. A water activated release system, with the M-2 release as a backup, ensures separation of the parachutes when the boat strikes the surface of the water. The maximum 

rigged load weight is 20,640 pounds, including an accompanying load that can vary according to the 

mission. The boat is 100 inches high, 108 inches wide and 432 inches long. 

CAUTION 

This load differs greatly from conventional airdrop loads. Strict 

adherence to these procedures is critical. 

Figure 4-1. NSW RIB on its Trailer 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 4-1 
Chapter 4 

PREPARING PLATFORM 

4-2. Prepare a 21-foot MADS platform as shown in Figure 4-2. 

• Prepare and inspect the 21-foot MADS platform as explained in the manufacturer’s manual. 

• Install the emergency restraint clevises to the front of the platform as shown in Figure 4-3. 

• Install and test the platform release pulley assembly as shown in Figure 4-4. 

• Install the platform recovery parachute as shown in Figure 4-5. 

Figure 4-2. 21-Foot MADS Platform Prepared 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

4-2 19 September 2007 
Rigging the Naval Special Warfare Rigid Inflatable Boat (NSW RIB) for Low-Velocity Airdrop 

2 

1 

1. 

2. 

Install a medium clevis assembly to each of the three holes in the links at the front of the 

platform. 

Add washers to ensure a snug fit. Tighten the nuts just enough to allow the clevises to stay in 

the positions shown. 

Figure 4-3. Emergency Restraint Clevises Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 4-3 
Chapter 4 

3 

2 

1 

1. 

2. 

3. 

Secure the pulley assembly to the end ring of the push rod with a loop of 1/2-inch tubular 

nylon cord tied with a square knot. 

Tie the running end to the extraction bracket with 1/2-inch tubular nylon. 

Pull on the free end of the cord to ensure that the push rod can be pulled fully against its 

spring. 

Figure 4-4. Platform Release Pulley Assembly Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

4-4 19 September 2007 
Rigging the Naval Special Warfare Rigid Inflatable Boat (NSW RIB) for Low-Velocity Airdrop 

3 5

2 

3 

4 

2 

1 

2 

1. 

2. 

3. 

4. 

5. 

Center a length of 1/2-inch tubular nylon webbing with a girth hitch in the bell of a medium 

clevis. Bring the ends of the webbing over the top of the suspension point and secure tightly 

with a surgeon’s knot and locking knot, with overhand knots in the running ends. Repeat for 

the other side of the platform. 

Install a 9-foot, 2-loop, type XXVI nylon sling on the bolt of each medium clevis. Wrenchtighten the nuts. Pad each clevis with cellulose wadding and tape in place. 

Secure each clevis in an upright position with a length of type I, 1/4-inch cotton webbing tied 

to a convenient point on the platform. 

Pass the right sling up to a point centered between the four pairs of deck holes on the right 

side of the platform. S-fold the sling as shown. 

Pass the left suspension sling across the rear between the pairs of deck holes, and up to 

meet the right sling. S-fold the left sling in the same way. 

Figure 4-5. Platform Recovery Parachute and Slings Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 4-5 
Chapter 4 

11 

8 

6 

7 

10 

6 

9 

6. 

7. 

8. 

9. 

Pass an 18-inch length of 1/2-inch tubular nylon webbing through each pair of deck holes to 

the right of the extraction bracket. Tie with a square knot, with overhand knots in the running 

ends. Rotate the knots to the underside of the platform, and tape the nylon webbing. 

Tie the left suspension sling to each of the two pairs of deck holes with a single turn of type I, 

1/4-inch cotton webbing. 

Place the free ends of both slings in the bell of a medium clevis, and place the clevis against 

the base of the right rear stanchion. 

Tie the folds of the two slings together with a length of type I, 1/4-inch cotton webbing. 

10. Remove the tripled cotton webbing bag closing tie from the G-12-clevis. Install a 20-foot, 2­

loop, type XXVI riser extension on the bolt of the G-12 clevis. 

11. Stow the riser extension in the G-12E bag according to FM 4-20.102/MCRP 4­

11.3J/NAVSEA SS400-AB-MMO-010/TO 13C7-1-5. 

Figure 4-5. Platform Recovery Parachute and Slings Installed (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

4-6 19 September 2007 
Rigging the Naval Special Warfare Rigid Inflatable Boat (NSW RIB) for Low-Velocity Airdrop 

13 

15 

14 

12 

16 

16. Turn the parachute so that the WAPR faces the front of the platform. Connect the free end of 

the 3-foot sling installed in step 13 to the clevis at the end of the platform suspension slings. 

15. Fold the 3-foot sling in half and secure it with paper masking tape (not shown). Place the 

sling under the G-12 riser extension flap. 

14. Safety the bolt of the WAPR to the G-12 bag stow bar with one turn single type I, 1/4-inch 

cotton webbing. 

13. Attach a 3-foot, 2-loop, type XXVI nylon sling to the stationary bolt of the WAPR. 

12. Inspect a water-activated parachute release (WAPR) according to the manufacturer’s 

instructions. Attach the discharge end of the WAPR to the riser extension. 

Figure 4-5. Platform Recovery Parachute and Slings Installed (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 4-7 
Chapter 4 

18 

18 

19 20

21 

22 

22. S-fold the universal static line across the rear of the parachute, securing it with the retainer 

bands installed in step 18. Wrap the retainer bands twice around the static line. 

21. S-fold the excess bridle assembly and secure it with tape. 

20. Safety the bridle loop to the riser extension stow bar with one turn single of type I, 1/4-inch 

cotton webbing. 

19. Girth hitch the universal static line to the bridle loop of the G-12 cargo parachute. 

18. Girth hitch two retainer bands to each end of the riser extension stow bar. 

17. Remove the universal static line snap hook from a T-10 universal static line (not shown). 

Figure 4-5. Platform Recovery Parachute and Slings Installed (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

4-8 19 September 2007 
Rigging the Naval Special Warfare Rigid Inflatable Boat (NSW RIB) for Low-Velocity Airdrop 

23 

23. Place the G-12 parachute over the suspension slings, and align with the rear edge of the 

platform and the center deck holes as shown. Tie the corners of the G-12 deployment bag to 

the ties placed in step 6 with type III nylon cord with the core threads removed. 

Figure 4-5. Platform Recovery Parachute and Slings Installed (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 4-9 
Chapter 4 

INSTALLING THE PLATFORM RELEASE SYSTEM 

4-3. Install the components of the platform release system as shown in Figures 4-6 and 4-7. 

4 

2 

3 

5 

7 

Note. This knot must be on the left forward end of the cutter brackets. 

Put tension on the central push rod using the pulley assembly. Insert the T-pin through the 

push rod holes when the holes are aligned with the pin bracket. Connect the drawbar cable to 

the bolt end of the halyard shackle (Not shown). 

Install two M-21 reefing line cutters in the cutter brackets. Ensure that the screws on the 

sides of the cutters are facing the deck of the platform. Ensure the cotter pins can be 

removed from the cutters once they are installed. 

Route a length of 1/2-inch tubular nylon as follows: 

• Through the left cutter bracket 

• Through the bell end of the locking halyard shackle 

• Through the inside of the left cutter bracket, and out through the left side 

• Through right cutter bracket 

• Back through the bell end of the locking halyard shackle, and up to the other free end of 

the tie 

Tighten the screws in the bottom ends of the cutter brackets. 

Secure the running ends tightly with a surgeon’s knot and locking knot, with an overhand knot 

in the running ends. 

Disconnect the cable from the halyard shackle. Replace the shackle pin (not shown). 

Install a 10-foot length of 1⁄2-inch tubular nylon webbing to each M-21 cutter arming cable with 

three alternating half hitches and overhand knots in the running ends. S-fold the excess and 

secure temporarily with retainer bands. 

Remove tension on the central push rod using the pulley assembly. Ensure the T-pin is 

removed (not shown). 

1. 

2. 

3. 

4. 

5. 

6. 

7. 

8. 

Figure 4-6. Cutters Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

4-10 19 September 2007 
Rigging the Naval Special Warfare Rigid Inflatable Boat (NSW RIB) for Low-Velocity Airdrop 

2 

1 

1. 

2. 

Place a tiedown shackle in each scissor release unit. Make sure the large nuts face the edge 

of the platform, and are facing up. Make sure the scissor units are closed around the 

shackles. 

Put tension on the central push rod with the lanyard attached to the pulley assembly. Insert 

the T-pin through the push rod holes when the holes are aligned with the pin bracket. 

Figure 4-7. Scissor Release Units Prepared and Tested 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 4-11 
Chapter 4 

3 

3 

4 

3. 

4. 

5. 

Check all eight scissor release units to make sure they are held in place by the lateral rods. 

When the central push rod is under tension and held by the pin, the cams engage the lateral 

push rods to close the scissor releases. 

Tie a 60-inch length of 1⁄2-inch tubular nylon webbing to the outside leg of each scissor 

release unit with three alternating half hitches and overhand knots in the running ends. 

Test the scissor release system as follows: 

• One person removes the T-pin at the front end of the push rod while another person 

keeps the lanyard attached to the pulley under tension 

• A third person holds the nylon lines attached to each pair of shackles. Release the 

tension from the pulley, and be sure all eight shackles release from the scissor release 

units as they are pulled by the lines (not shown) 

Figure 4-7. Scissor Release Units Prepared and Tested (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

4-12 19 September 2007 
Rigging the Naval Special Warfare Rigid Inflatable Boat (NSW RIB) for Low-Velocity Airdrop 

INSTALLING EXTRACTION FORCE TRANSFER COUPLING (EFTC) 

4-4. Install the drop arm retaining line as shown in Figure 4-8. Inspect and prepare the EFTC and a 24­

foot cable in accordance with FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO-010/TO 13C7-1-5 

and as shown in Figure 4-9. 

1 

1. Tie a 60-inch length of 1/2-inch tubular nylon webbing to the front right cradle bar with three 

alternating half hitches and overhand knots in the running ends. S-fold the excess and secure 

it temporarily with a rubber retainer band. 

Figure 4-8. Drop Arm Retaining Line Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 4-13 
Chapter 4 

1 

2 

3 

1. 

2. 

3. 

Mount the actuator in the bracket provided and install a 24-foot EFTC cable to the actuator. 

Route the cable through left stanchions 2, 3, and 4. Be sure that the cable does not contact 

any spring or push rod end in the push rod system. 

Safety the cable to the flotation device securing brackets whenever possible. 

Figure 4-9. EFTC Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

4-14 19 September 2007 
Rigging the Naval Special Warfare Rigid Inflatable Boat (NSW RIB) for Low-Velocity Airdrop 

5 

4 

Tie the cable to the left rear stanchion arm with type I, 1/4-inch cotton webbing. 

Install the EFTC latch assembly. Be sure the cable is routed under the suspension sling 

before connecting it to the latch assembly. 

Note. Replace any cable that has been used for a water drop. 

4. 

5. 

Figure 4-9. EFTC Installed (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 4-15 
Chapter 4 

LIFTING AND POSITIONING BOAT 

4-5. Use the lift kit provided with the boat (four long slings, three short loops, and clevises, instructions) 

to place the boat onto the cradles as shown in Figure 4-10. Be sure that the Airdrop Boat Preparation 

Checklist has been completed and signed before proceeding with the preparation of the boat. 

1 

3 

2 

1. 

2. 

3. 

4. 

Attach a sling to each lifting provision with a screw-pin clevis, ensuring that the pins are 

facing inboard to outboard. 

Assemble the lift kit according to the manufacturer’s instructions. 

Position the boat with the bow facing the rear of the platform. 

Remove the lifting slings and shackles after positioning the boat (not shown). 

Figure 4-10. Boat Lifted and Placed on Platform 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

4-16 19 September 2007 
Rigging the Naval Special Warfare Rigid Inflatable Boat (NSW RIB) for Low-Velocity Airdrop 

5 

5. Align the rear edge of the transom with the front edge of the platform, disregarding the rubber 

bumpers. 

Figure 4-10. Boat Lifted and Placed on Platform (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 4-17 
Chapter 4 

PREPARING BOAT 

4-6. Prepare the boat as shown in Figures 4-11 through 4-16. 

3 

3 

2 

1. 

2. 

3. 

Make sure the fuel tanks have no more than 68 gallons (75%) of fuel each (not shown). 

Close the four fuel vent shut-off valves (two port, two starboard) inside the control access 

hatch. 

Turn the fuel shut-off valves (the two valves at the bottom) to the “OFF” position. 

Figure 4-11. Fuel System Prepared 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

4-18 19 September 2007 
Rigging the Naval Special Warfare Rigid Inflatable Boat (NSW RIB) for Low-Velocity Airdrop 

1 

1. Remove the forward tow post. Stow and secure it in a convenient location. 

Figure 4-12. Boat Equipment Stowed in Hatch 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 4-19 
Chapter 4 

4 

3 

2 

1 

Note. When the fourth row of bolster seats is removed for missions not needing them, steps 1 through 4 may be omitted. 

Remove the bolster seats from row 4. Remove the life ring and stow it in hold 2. Fold the row 

4 bolster frame back on the rolled and tied splash guard. Secure the bolster frame with a 

length of type III nylon cord through the left and right deck rings on the swimmer deck, and 

through the center deck ring at the back of the swimmer deck. 

Center one seat on the floor face up. Place a second seat squarely over the first face down. 

Place the third seat over the second face up. 

Tie all three seats together with a length of type III nylon cord. 

Run a length of type III nylon cord through the deck ring under the third bolster seat row, up 

through the handle of seat two, over the top seat, and to the top center deck ring on the 

swimmer deck. Tie both running ends on top of the seats. 

1. 

2. 

3. 

4. 

Figure 4-13. Bolster Seats Stowed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

4-20 19 September 2007 
Rigging the Naval Special Warfare Rigid Inflatable Boat (NSW RIB) for Low-Velocity Airdrop 

7 

5 

6 

7 

5. 

6. 

7. 

Lower all the bolster seats in rows 1, 2, and 3 to their lowest position. Fold row 3 bolster seat 

frame all the way forward. 

Tie the frame to the handrail in three places with type III nylon cord. 

Pad each corner of row 5 and 4 bolster frames with cellulose wadding and tape in place. 

Figure 4-13. Bolster Seats Stowed (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 4-21 
Chapter 4 

3 

1 

4 

3 

4 

2 

1. 

2. 

3. 

4. 

Unbolt the supports for the radar arch and fold the arch forward so that it rests on its support 

post. 

Secure the support arms to the radar arch with type III nylon cord tied through the bolt holes 

of the arms. 

Glue three 20- by 6-inch pieces and one 6- by 6-inch piece of honeycomb together as shown. 

Center the honeycomb under the radar unit. The radar unit should be supported by both the 

support post and the honeycomb. 

Attach a length of 1/2-inch tubular nylon webbing to each of the center deck rings forming a 

3/4-inch loop. Secure the radar arch with a CGU-1B tiedown assembly to the 1/2-inch tubular 

nylon, attaching the ratchet end to the front ring. Route the tiedown assembly over the radar 

unit as shown. 

Figure 4-14. Radar Arch Folded and Secured 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

4-22 19 September 2007 
Rigging the Naval Special Warfare Rigid Inflatable Boat (NSW RIB) for Low-Velocity Airdrop 

2 

1 

1. 

2. 

Secure the three fire extinguishers behind the driver’s compartment with type III nylon cord. 

Route the cord under the storage box and through the holes on the necks of the fire 

extinguishers. 

Tie two 12- by 36-inch pieces of honeycomb to the instrument panel. Ensure that the 

honeycomb is flush with the starboard side handrail, making sure the GPS and radar screens 

are accessible. Tape the edges of the honeycomb and tie it to the handrail with type III nylon 

cord. 

Figure 4-15. Console Prepared 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 4-23 
Chapter 4 

Note. This drawing is not to scale and all dimensions are in inches. 

3. Place a 36- by 59-inch piece of honeycomb over the folded windshield. Crush and cut to 

ensure that it completely covers the windshield surface. Ensure that the edge of the 

honeycomb and plywood is flush with the front of the console. 

4. Drill 1/2-inch holes in a 1/2- by 38- by 59-inch piece of plywood as shown. Center and glue 

the plywood over the honeycomb placed in step 3 above. Center a type III nylon cord tie over 

the center of the plywood from the left to the right handrail. 

5. Secure the plywood on each side to the console handrails, through the side holes in the 

plywood and to the push-pull pins. 

1 1/2 

59 

38 

4 1/2

 4 

4 

3 

5 

3 

4 

Figure 4-15. Console Prepared (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

4-24 19 September 2007 
Rigging the Naval Special Warfare Rigid Inflatable Boat (NSW RIB) for Low-Velocity Airdrop 

1 

3 

2 

1. 

2. 

3. 

Make a handle for each exhaust port cover with 1⁄2-inch tubular nylon. Tie a length of type III 

nylon cord to the handle and to the grommet on the aft sponson cover. Attach several pieces 

of interlocking velcro to the exhaust covers and attach the exhaust port covers in place. 

Tape the bottom edge of the deck drainage flap on each side of the transom. 

Tape the bilge pump overboard discharge holes on each side of the transom. 

Figure 4-16. Discharge Holes, Drainage Flaps, and Exhaust Port Covers Secured 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 4-25 
Chapter 4 

PREPARING THE SPONSON INFLATION SYSTEM 

4-7. Prepare the sponson inflation system as shown in Figure 4-17. 

2 

3 

1. 

2. 

3. 

Make sure the hose connections for the sponson inflation system are tight (not shown). 

Remove the core threads from two 6-foot lengths of type III nylon cord. Pass one end of the 

cord through the tiedown ring and tie it to the sponson activation cable ring. Repeat for the 

other side of the boat. 

Fold the excess cord and secure with retainer bands in the middle of the deck. 

Figure 4-17. Sponson Inflation System Connected 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

4-26 19 September 2007 
Rigging the Naval Special Warfare Rigid Inflatable Boat (NSW RIB) for Low-Velocity Airdrop 

INSTALLING THE WATER ACTIVATED PARACHUTE RELEASE 

4-8. Install the four water-activated parachute releases as shown in Figure 4-18. 

3 

3 

1 

1. 

2. 

3. 

4. 

Place a shackle from the lift kit onto each suspension point, with the pin facing inboard to 

outboard as shown. These must be used for lifting the load, not for suspension (not shown). 

Attach a 20-foot, 4-loop, type XXVI nylon sling to the discharge end of each WAPR (not 

shown). 

Attach the WAPR to the suspension point, with the red dust cap facing inboard. Be sure that 

the bolt faces inboard to outboard. Tighten the bolt wrench tight. 

Attach the three remaining suspension slings as in steps 1 through 3 above (not shown). 

Figure 4-18. Water-Activated Parachute Releases Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 4-27 
Chapter 4 

INSTALLING THE BOAT COVER, SPONSON, TIES, AND SPONSON 

COVERS 

4-9. Install the boat cover as shown in Figure 4-19. Make the sponson ties as shown in Figure 4-20. 

Install the aft sponson covers as shown in Figure 4-21. 

2 

1 

1. 

2. 

Install the cover provided with the boat in a fore-to-aft direction. Pull the suspension slings 

through the holes provided and raise them temporarily. 

Tie a loop of 1⁄2-inch tubular nylon to each sail car tie-down in the forward cockpit. Attach a 

ratchet strap provided at the front of the cover to each loop, each strap attaching to the loop 

on the opposite side. Tighten the ratchet straps just enough so that tension on the cover is 

not placed on the lights and antennas on top of the radar arch. 

Figure 4-19. Boat Cover Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

4-28 19 September 2007 
Rigging the Naval Special Warfare Rigid Inflatable Boat (NSW RIB) for Low-Velocity Airdrop 

3 

3 

3 

3 

3. 

4. 

Secure the cover to the bustle of the boat through the two ports in the cover. Secure the end 

of each ratchet strap to the folding padeye with a loop of 1/2-inch tubular nylon webbing. 

Adjust the ratchets to place tension on the cover (not shown). 

Figure 4-19. Boat Cover Installed (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 4-29 
5 

Chapter 4 

6 

5. 

6. 

Run a length of 1/2-inch tubular nylon through the D-rings on both sides of the bustle, and tie 

off, making a three-finger loop. Route the bolt rope through the loops of 1/2-inch tubular nylon 

and tighten the bolt rope along the edges of the cover on both sides of the boat. Be sure that 

the cover extends below the edges of the bustle. Form a loop in each running end of the bolt 

rope. 

Route a length of type III nylon cord through the looped ends of the bolt rope, around the 

swim platform support bar, and through the center grommet on the boat cover, forming a 

continuous loop. Tie off with a cinch knot. 

Figure 4-19. Boat Cover Installed (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

4-30 19 September 2007 
Rigging the Naval Special Warfare Rigid Inflatable Boat (NSW RIB) for Low-Velocity Airdrop 

8 7 

7. 

8. 

Cut a length of type III nylon cord long enough to encircle the entire boat cover. Beginning at 

the left rear sail car, route the cord up through the sewn D-ring on the cover, over through the 

next sewn D-ring, down through the tie-down ring or sail car, and up through the same sewn 

cover D-ring. 

Repeat this pattern all around the cover, pull the cord taut and tie it off to the right rear sail 

car. 

Figure 4-19. Boat Cover Installed (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 4-31 
Chapter 4 

3 2 

4 

1. 

2. 

3. 

4. 

Cut fourteen 6-foot lengths of type III nylon cord. Remove the core threads (not shown). 

Starting at the rear of the boat, route a length of type III nylon cord down through the sewn Dring on the boat cover, and through the sewn D-ring on the sponson. Have assistants support 

the weight of the sponson while tying the cord around both D-rings. 

Repeat step 2 with the next D-ring on the boat cover. Ensure that you only make a tie to 

every other D-ring on the sponson. 

Repeat steps 2 and 3 on the other side. 

Figure 4-20. Sponsons Tied 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

4-32 19 September 2007 
Rigging the Naval Special Warfare Rigid Inflatable Boat (NSW RIB) for Low-Velocity Airdrop 

5 

2 

3 

1 

4 

Slide the small end of the aft sponson covers into the slots provided. 

Fold the rear of the sponson inward, and raise the sponson cover over the fold. 

Pass a 36-inch length of type III nylon cord with the core threads removed through the D-ring 

on the right angle corner of the sponson cover, and through the rear sewn D-ring on the boat 

cover. Tie the running ends together. 

Pass a 48-inch length of type III nylon cord with the core threads removed through the D-ring 

on the front corner of the sponson cover, and through the second sewn D-ring on the boat 

cover. Tie the running ends together. 

Tie one end of a 60-inch length of type III nylon cord to the center grommet on the sponson 

cover, and the other end to the last grommet on the boat cover. S-fold the excess cord and 

tape the folds with masking tape (not shown). 

Figure 4-21. Aft Sponson Covers Tied 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 

1. 

2. 

3. 

4. 

5. 

4-33 
Chapter 4 

PREPARING SUSPENSION SLINGS 

4-10. Raise and safety the suspension slings as shown in Figure 4-22. 

5 

2 

1 

4 

11

23 

1. 

2. 

3. 

4. 

5. 

26 

Raise the suspension slings, allowing no twists in them. 

Make the deadman’s tie in accordance with FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400­

AB-MMO-010/TO 13C7-1-5. 

Lower the slings. Route the suspension slings from the front of the platform through the 

center hook-and-pile suspension sling straps on the boat cover (not shown). 

S-fold the rear suspension slings over the open hook-and-loop fasteners just ahead of the 

sling exit port on the cover. Tie the folds in two places (top and bottom) with type I, 1/4-inch 

cotton webbing. Secure the hook portion of the fasteners over the slings. 

Cut a piece of 1/2-inch felt as shown. Place the felt on the boat cover, narrow end to the rear, 

and under the deadman’s tie. Tie the felt in place through the grommets in the cover with 

type III nylon cord, knotted under the cover. 

Figure 4-22. Suspension Slings Safetied and Stowed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

4-34 19 September 2007 
2 

Rigging the Naval Special Warfare Rigid Inflatable Boat (NSW RIB) for Low-Velocity Airdrop 

INSTALLING PARACHUTE STOWAGE PLATFORM 

4-11. Tie the front sponsons, and install the parachute stowage platform as shown in Figure 4-23. 

2 

1 

2 

1. 

2. 

Insert the post of the parachute stowage platform into the king post base. Use the push-pull 

pin for the king post base to secure the stowage platform in place. 

Fold the bow sponson tube under the stowage platform, folding the front flap first, then the 

two sides. Tie a length of type III nylon cord with the core threads removed around the 

sponsons, the hull of the boat, and through the towing shackle. Ensure that the tie is routed 

aft of the forward tow post mount. 

Figure 4-23. Front Sponsons Folded and Parachute Stowage Platform Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 4-35 
Chapter 4 

INSTALLING CARGO PARACHUTES 

4-12. Install four G-11 cargo parachutes according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-ABMMO-010/TO 13C7-1-5 and as shown in Figure 4-24. 

2 

4 

3 

1. 

2. 

3. 

4. 

Attach and stow a 60-foot, 3 loop, type XXVI riser extension to each of the four G-11B cargo 

parachutes according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO-010/TO 

13C7-1-5 (not shown). 

Cluster the parachutes on the parachute storage platform. 

Attach a 16-foot, 2 loop, type XXVI deployment line to the deployment clevis. 

Pull enough of the riser extensions from each parachute to reach the release. 

Figure 4-24. Cargo Parachutes Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

4-36 19 September 2007 
Rigging the Naval Special Warfare Rigid Inflatable Boat (NSW RIB) for Low-Velocity Airdrop 

INSTALLING M-2 CARGO PARACHUTE RELEASE 

4-13. Prepare and install an M-2 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 4-25. 

2 

1 

2 

4 

3 

4 

3 

1. 

2. 

3. 

4. 

Center an M-2 cargo parachute release on the felt as shown. Attach the riser extensions and 

suspension slings according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO010/TO 13C7-1-5. 

Safety tie the release at the top and bottom with type III nylon cord through the grommets 

provided in the cover. Tie the type III nylon cord to the radar arch or other convenient points 

on the boat. 

Safety the riser extensions in four places with type I, 1⁄4-inch cotton webbing tied one turn 

single through the grommets in the cover. 

Make a 20-foot arming wire lanyard for this load. Prepare the lanyard according to TM 1670­

296-20&P. 

Figure 4-25. M-2 Cargo Parachute Release Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 4-37 
Chapter 4 

INSTALLING PARACHUTE RESTRAINTS 

4-14. Restrain the cargo parachute according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-ABMMO-010/TO 13C7-1-5 and as shown in Figure 4-26. 

3 

2 

1 

4 

1. 

2. 

3. 

4. 

Route the center parachute restraint strap down inside the outer bars and behind (aft) the 

horizontal bars of the parachute stowage platform. Route both sides through the towing 

shackle. Tightening both sides simultaneously, tie with a trucker’s hitch, secured with three 

alternating half hitches and an overhand knot in the running end. S-fold any excess and 

secure with tape. 

Route the rear parachute restraint strap down the outside of the outer bars of the parachute 

stowage platform. Route both sides through the towing shackle. Tightening both sides 

simultaneously, tie with a trucker’s hitch, secured with three alternating half hitches and an 

overhand knot in the running end. S-fold any excess and secure with tape. 

Install two multi-cut release straps according to FM 4-20.102/MCRP 4-11.3J/NAVSEA 

SS400-AB-MMO-010/TO 13C7-1-5. 

Tie a flotation device to the carrying handles of the lower deployment bag on each side with 

1/2-inch tubular nylon webbing. 

Figure 4-26. Cargo Parachutes Restrained 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

4-38 19 September 2007 
Rigging the Naval Special Warfare Rigid Inflatable Boat (NSW RIB) for Low-Velocity Airdrop 

INSTALLING SPONSON ACTIVATION LANYARD 

4-15. Install the sponson activation lanyard as shown in Figure 4-27. 

1 

1. Pass the sponson inflation lanyards installed in Figure 4-17 over all items and route through 

the bottom center carrying handle of the G-11 parachute. Remove the slack between the 

sponson activation cable ring and the G-11 carrying handles, but do not pull taut. Tie each 

lanyard to the bottom carrying handle of the G-11 cargo parachute with three alternating half 

hitches and an overhand knot in the running end. Cut off any excess. 

Figure 4-27. Sponson Activation Lanyard Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 4-39 
Chapter 4 

PREPARING AND TESTING THE NSW RIB RESTRAINT SYSTEM 

4-16. Prepare the restraint system as shown in Figure 4-28. Prepare the restraint system for test fire as 

shown in Figure 4-29. Test fire the system as shown in Figure 4-30. 

3 

4 

2 

3 

1 

1. 

2. 

3. 

4. 

Install a release caliper assembly on each of the boat restraint provisions (four on each side). 

Make sure the long arm faces the stem of the boat. 

Make sure the cotter pin on each arm faces outward. 

Secure each caliper assembly in place with the pin provided. 

Figure 4-28. Restraint System Prepared 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

4-40 19 September 2007 
Rigging the Naval Special Warfare Rigid Inflatable Boat (NSW RIB) for Low-Velocity Airdrop 

6 5 

With the ratchet handle facing outboard, pass a lashing through the link on the emergency aft 

restraint bracket, and up through the long arm of the caliper release unit. Connect the lashing 

at the ratchet. 

From outboard, pass the free end of the second lashing through the large diameter pin of the 

1/2-inch shackle fitted to the scissor release unit. Pass the free end upward and inboard 

through the short arm of the caliper release unit. Connect the lashing at the ratchet. 

Note. Allow no twists in these lashings. Be sure that the protective sleeves on the lashings are positioned to protect them from 

metal contact. Do not tighten the lashings until all are installed. 

5. 

6. 

Figure 4-28. Restraint System Prepared (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 4-41 
Chapter 4 

9 10 

8 7 

7. 

8. 

9. 

With the ratchet handle facing outward, pass a lashing through the link between the first and 

second row of flotation devices, and up through the long arm of the caliper release unit. 

Connect the lashing at the ratchet. 

From outboard, pass the free end of another lashing through the large diameter pin of the 

1/2-inch shackle fitted to the second scissor release unit. Pass the free end upward and 

inboard through the short arm of the caliper release unit. Connect the lashing at the ratchet. 

With the ratchet handle facing outward, pass a lashing through the link between the first and 

second row of flotation devices, and up through the short arm of the caliper release units. 

Connect the lashing at the ratchet. 

10. From outboard, pass the free end of another lashing through the large-diameter pin of the 

1/2-inch shackle fitted to the first scissor release unit. Pass the free end upward and inboard 

through the long arm of the caliper release unit. Connect the lashing at the ratchet. 

Figure 4-28. Restraint System Prepared (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

4-42 19 September 2007 
Rigging the Naval Special Warfare Rigid Inflatable Boat (NSW RIB) for Low-Velocity Airdrop 

11 12 

13. Repeat steps 1 through 12 for the other side of the boat. 

12. From outboard, pass the free end of another lashing through the large-diameter pin of the 

1/2-inch shackle fitted to the second scissor release unit. Pass the free end upward and 

inboard through the long arm of the caliper release unit. Connect the lashing at the ratchet. 

11. With the ratchet handle facing outward, pass a lashing through the rearmost link, and up 

through the short arm of the caliper release unit. Connect the lashing at the ratchet. 

Note. Starting at the stern, tighten the lashings simultaneously on the port and starboard sides. Tighten no more than hand 

tight. Proper tension is applied to a pair of lashings attached to each caliper release assembly when the pin can be withdrawn 

and re-inserted easily. Do not secure excess lashing until test-firing is completed. 

Figure 4-28. Restraint System Prepared (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 4-43 
Chapter 4 

2 

1 

3 

1. 

2. 

3. 

Tie the running ends of the 1/2-inch tubular nylon webbing placed in Figure 4-7, step 4 to 

each lashing, just above the shackle, making sure that 17 inches of nylon remains from knot 

to knot. 

S-fold and tape the excess. 

Cut twelve 24-inch lengths of type III nylon cord. Locate flotation device securing brackets 2, 

4, and 6 (counting from the front of the platform). Tie two 2-inch loops of cord in each 

bracket, on either side of the flotation device retaining strap. Be sure the knots are on the 

inboard side of the brackets. Tie overhand knots in each running end, and trim the excess. 

Figure 4-29. Restraint System Prepared for Test-Fire 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

4-44 19 September 2007 
Rigging the Naval Special Warfare Rigid Inflatable Boat (NSW RIB) for Low-Velocity Airdrop 

4 1 3 

2 

6 5 

8 7 

Bracket 2 

Bracket 4 

Bracket 6 

Bracket 6 

4. The lashing provision at the end of each of the 16 caliper release legs will have a length of 

shock cord tied to a specific point on the platform with a trucker’s hitch. Tie the knot so that it 

can easily be retied between tests. Number the lashing points on each side from 1 through 8, 

beginning at the front of the platform. See the chart below for the specific points on the 

platform to which each cord is tied. 

Lashing Provision Tie-down Point on Platform Number 

1 First loop on bracket 2 

2 Bolt at base of first stanchion 

3 First loop on bracket 4 

4 Second loop on bracket 2 

5 First loop on bracket 6 

6 Second loop on bracket 4 

7 Bolt at base of fourth stanchion 

8 Second loop on bracket 6 

Figure 4-29. Restraint System Prepared for Test-Fire (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 4-45 
Chapter 4 

6 

7 8 

Place honeycomb under each set of caliper releases to protect the platform components from 

damage. Be sure that the honeycomb does not interfere with the scissor release units (not 

shown). 

Be sure that the push rod cable is disconnected from the halyard shackle before testing the 

system (See Figure 4-6) (not shown). 

Remove all eight safety pins from the caliper releases. Exert enough force on the pulley rope 

to allow the push rod T-pin to be removed. Releasing the rope test fires the caliper releases. 

All caliper releases should release the lashings simultaneously (not shown). 

Repeat the steps in Figures 4-28 and 4-29 to reset the system for the next test fire. Test fire 

as explained in steps 1 through 3 above. 

Repeat step 4 for the third test fire. 

Reset the restraint system for airdrop as in the previous steps. Secure the shock cord with 

three alternating half-hitches and overhand knots in the running ends. Trim and tape the 

ends. 

Roll under excess lashing and tape it to the outboard ply (not to both plies). 

Ensure all ratchet handles are locked in the closed position. Tape around the handle to the 

outboard play of the lashing (not to both plies). 

Attach the wire cable connected to the drawbar to the locking halyard shackle, and be sure 

the shackle is in the locked position (not shown). 

1. 

2. 

3. 

4. 

5. 

6. 

7. 

8. 

9. 

10. Remove the pulley assembly. 

Figure 4-30. Caliper Releases Test-Fired and Reset 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

4-46 19 September 2007 
Rigging the Naval Special Warfare Rigid Inflatable Boat (NSW RIB) for Low-Velocity Airdrop 

CONNECTING M-21 CUTTER ARMING WIRE LANYARDS 

4-17. Connect the M-21 cutter arming wire lanyards to the deployment line as shown in Figure 4-31. 

2 

1 

1. 

2. 

Tie the running end of both cutter arming wire lanyards installed in Figure 4-6 to all plies 

(including the cotton buffer) of the 16-foot deployment line. Make these ties 60 inches from 

the top of the cutter cable tie. 

S-fold the excess 1/2-inch tubular nylon and tape it to the platform deck in two places. 

Figure 4-31. Cutter Arming Wire Lanyards Tied to Deployment Line 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 4-47 
Chapter 4 

SECURING G-12E PARACHUTE STATIC LINE 

4-18. Tie and tape the G-12E parachute static line as shown in Figure 4-32. 

3 

2 1 

1. 

2. 

3. 

Tie the G-12E parachute static line to the outer bar of the parachute stowage platform with 

two turns single of 1/2-inch tubular nylon, tied in a surgeon’s knot, locking knot, and overhand 

knots in the running ends. Tie the knot over the static line. 

Run the static line down to the bottom of the boat hull and horizontally along the rib, taping it 

in several places with cloth-backed adhesive tape. 

Secure any excess static line to the G-12E deployment bag with retainer bands. 

Figure 4-32. G-12E Parachute Static Line Secured 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

4-48 19 September 2007 
Rigging the Naval Special Warfare Rigid Inflatable Boat (NSW RIB) for Low-Velocity Airdrop 

PLACING EXTRACTION PARACHUTES 

4-19. Select the extraction line and the extraction parachute 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. Place the extraction 

parachute and the extraction line on the load for installation in the aircraft. 

MARKING THE RIGGED LOAD 

4-20. Mark the rigged load according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO010/TO 13C7-1-5. Complete the Shipper’s Declaration for Dangerous Goods. 

CAUTION 

Make the final rigger inspection and all other inspections specified in 

this manual before the load leaves the rigging site. 

Rigged Load Data 

Weight: Load shown ...........................................................................................18,500 pounds 

 Maximum...............................................................................................20,640 pounds 

Height:........................................................................................................................100 inches 

Width: ......................................................................................................................... 108 inches 

Length: ....................................................................................................................... 432 inches 

Overhang: Front.................................................................................................... 42 inches 

 Rear .................................................................................................. 138 inches 

CB (maximum distance allowable from the front edge of the platform).................. 149.5 inches 

Extraction System .......................................................................................... EFTC

Figure 4-33. NSW RIB Rigged for Low-Velocity Airdrop 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 4-49 
Chapter 4 

EQUIPMENT REQUIRED 

4-21. Use the equipment listed in Table 4-1 to rig this load. 

Table 4-1. Equipment Required for Rigging NSW Rib for Low-Velocity Airdrop 

National Stock 

Number 

Item Quantity 

8040-00-273-8713 

1670-00-568-0323 

4030-00-090-5354 

4030-00-678-8562 

8305-00-926-1559 

4020-00-240-2146 

8305-00-267-3114 

1670-01-423-4103 

1670-00-360-0328 

1377-00-060-0885 

8305-00-958-3685 

5340-00-040-8219 

1670-01-183-2678 

1670-01-064-4452 

1670-01-062-6313 

1670-01-107-7651 

1670-01-107-7651 

1670-01-107-7651 

5306-00-435-8994 

5310-00-232-5165 

1670-00-003-1953 

5365-00-007-3414 

5306-00-435-8994 

5310-00-232-5165 

1670-00-003-1954 

5965-00-007-3414 

1670-00-753-3928 

8135-00-160-7759 

1670-01-016-7841 

1670-01-065-3755 

1670-00-040-8135 

1670-01-063-3715 

No NSN 

5530-00-128-4981 

Adhesive paste, 1-gal 

Band, rubber, parachute 

Clevis, suspension, 

1-in, large 

 3/4-in, medium 

Cloth, muslin, type II, 36-in 

Cord, nylon, type III, 550-lb 

Cord, elastic, .375, nat, type I 

Coupling, airdrop, extraction force transfer with cable, 24 ft 

Cover:

 Clevis, large 

Cutter, cartridge actuated, M-21 

Felt, sheet, 1/2-in 

Knife, multi para release, strap webbing 

Leaf, extraction line (line bag) 

Line, drogue (for C-17) 

 60-ft (1-loop), type XXVI 

Line extraction:

 For, C-130: 60-ft (3-loop), type XXVI 

 For, C-141: 140-ft (3-loop), type XXVI 

 140-ft (3-loop), type XXVI 

For, C-17: 140-ft (3-loop), type XXVI 

Link assembly: 

 Two-point, 3 3⁄4-in

 Bolt, 1-in diam, 4-in long 

 Nut, 1-in, hexagonal

 Plate, side, 3 3/4 

Spacer, large 

 Two-point 5 1/2-in

 Bolt, 1-in diam, 4-in long 

 Nut, 1-in, hexagonal

 Plate, side, 51/21⁄2 

Spacer, large 

Pad, energy-dissipating, honeycomb, 3- by 36- by 96-in 

Paper, kraft, untreated 

Parachute: 

 Cargo G-11B

 Cargo G-12E 

 Cargo extraction, 28-ft

 Drogue, 15-ft (for C-17) 

Platform, 21-ft, Maritime Aerial Delivery System 

Plywood, 3/4- by 48- by 96-in 

As required 

As required 

5 

2 

As required 

As required 

As required 

1 

1 

2 

As required 

2 

2 

1 

1 

1 

1 

1 

1 

(2) 

(2) 

(2) 

(2) 

1 

(2) 

(2) 

(2) 

(2) 

4 sheets 

As required 

4 

1 

1 

1 

1 

1 sheet 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

4-50 19 September 2007 
Rigging the Naval Special Warfare Rigid Inflatable Boat (NSW RIB) for Low-Velocity Airdrop 

Table 4-1. Equipment Required for Rigging NSW Rib for Low-Velocity Airdrop (continued) 

National Stock 

Number 

Item Quantity 

1670-01-097-8817 

No NSN 

1670-01-064-4453 

1670-01-063-7761 

1670-01-062-6313 

7510-00-266-5016 

7510-00-266-6712 

8310-01-279-6073 

8310-00-917-3945 

1670-00-725-1437 

5310-00-057-3463 

8305-00-268-2411 

8305-00-082-5752 

8305-00-268-2455 

8305-00-261-8585 

Release, cargo parachute, M-2 

Release, cargo, parachute, Conax, water activated 

Sling, cargo airdrop 

For suspension: 

 20-ft (4-loop), type XXVI nylon webbing 

For deployment:

 16-ft (2-loop), type XXVI nylon webbing 

For riser extension: 

 60-ft (3-loop), type XXVI nylon webbing 

Tape, adhesive, 2-in 

Tape, adhesive, masking 

Thread: 

 Cotton, ticket# 8/4, orange 

 Cotton, ticket# 8/7, natural 

Tie-down, cargo, aircraft, CGU-1/B 

Washer, flat, 3/4-in 

Webbing:

 Cotton, 1⁄4-in, type I 

 Nylon, tubular, 1/2-in

 Nylon, tubular, 1-in

 Type VIII 

1 

5 

4 

1 

4 

As required 

As required 

As required 

As required 

4 

50 

As required 

As required 

As required 

As required 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 4-51 
This page intentionally left blank. 
Chapter 5 

Rigging the Advanced Rescue Craft (ARC) on a Combat 

Expendable Platform (CEP) 

SECTION I-RIGGING THE GP 800 ARC 

DESCRIPTION OF LOAD 

5-1. The GP 800 ARC shown in Figure 5-1 is rigged on a 48- by 87-inch combat expendable platform for 

low-velocity airdrop. This load can be rigged with or without a 20-man life raft and a rescue board, a 

rucksack, and an aid bag. The load requires one G-12E cargo parachute, a 15-foot cargo extraction 

parachute packed in a T-10 bag, and is only rigged with a hydraulic release. 

Figure 5-1. GP 800 ARC 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 5-1 
 Chapter 5 

BUILDING THE COMBAT EXPENDABLE PLATFORM 

5-2. Build the 48- by 87-inch combat expendable platform as shown in Figure 5-2. 

4 

3 

2 1 

1. 

2. 

3. 

4. 

Lay out two 4- by 4- by 87-inch and two 2- by 6- by 87-inch longitudinal stringers. 

Secure the lateral stringers to the longitudinal stringers with 8d nails. Do not nail within 2 

inches of the ends of the 4- by 4- by 87-inch longitudinal stringers. 

Lay two 2- by 6- by 44-inch and four 2- by 4- by 44-inch lateral stringers on top and across 

the longitudinal stringers matching the measurements above. 

Position the 3/4- by 48- by 87-inch plywood on top of the lateral stringers leaving a 2-inch 

overhang on each side of the 4- by 4- by 87-inch longitudinal stringers. 

Figure 5-2. Combat Expendable Platform Built 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

5-2 19 September 2007 
Rigging the Advanced Rescue Craft (ARC) on a Combat Expendable Platform (CEP) 

5. 

6. 

7. 

8. 

Cut the corners of the platform at a 45-degree angle to include the corners of the 4- by 4- by 

87-inch longitudinal stringers. (not shown) 

Turn the platform over and drill eight 3/4-inch holes for the carriage bolts. Ensure to drill 

again with a large enough drill bit in order to counter sink the bolt heads, washers, and nuts. 

(not shown) 

Install the carriage bolts from bottom to top and trim the threaded ends at the nuts. File sharp 

edges. (not shown) 

Drill a 2-inch hole centered on each end of the platform. (not shown) 

Figure 5-2. Combat Expendable Platform Built (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 5-3 
 Chapter 5 

PREPARING THE PLATFORM 

5-3. Prepare the 48- by 87-inch Combat Expendable Platform as shown in Figure 5-3. 

1 

2 

3 

5 

4 

1. Lay a 20-foot, 2-loop Type XXVI nylon sling centered across the rear suspension point. 

3. 

4. 

5. 

6. 

2. Tape the suspension sling where it comes in contact with the two 2- by 6- by 87-inch 

longitudinal stringers with 2-inch cloth-backed adhesive tape.

Tie two 24-inch lengths of Type III nylon cord to the suspension sling making two wraps and 

securing with a surgeon’s knot and locking knot, leaving equal amounts of running ends. 

Route and center the suspension sling through the suspension sling slot in the platform. 

Secure the suspension sling to the 2- by 6- by 87-inch longitudinal stringer with the lengths of 

Type III nylon cord with a surgeon’s knot and locking knot. 

Repeat for the front suspension sling. 

Figure 5-3. Platform Prepared 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

5-4 19 September 2007 
Rigging the Advanced Rescue Craft (ARC) on a Combat Expendable Platform (CEP) 

7. Girth hitch sixteen 15-foot lengths of 1/2-inch tubular nylon webbing to each 4- by 4- by 87­

inch longitudinal stringers at positions shown above. Label right side positions 1 through 8 

and the left side positions 1a through 8a. 

8. Route two 20-foot lengths of 1/2-inch tubular nylon webbing around both of the 2- by 6- by 

87-inch longitudinal stringers at the front and rear of the platform. Secure with an overhand 

knot as close to the platform as possible. 

8 

8 

7 

REAR FRONT 

Figure 5-3. Platform Prepared (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 5-5 
 Chapter 5 

PREPARING AND POSITIONING HONEYCOMB 

5-4. Prepare and position the honeycomb as shown in Figure 5-4. 

2 

1 

1. 

2. 

Position one 6- by 72-inch piece of honeycomb on each 2- by 6- by 87-inch longitudinal 

stringer (centered) and secure in place with lengths of 2-inch cloth-backed adhesive tape. 

Position ( Do not glue ) two 36- by 42-inch pieces of honeycomb side by side on top of and 

flush with the honeycomb in step 1. 

Figure 5-4. Honeycomb Positioned 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

5-6 19 September 2007 
Rigging the Advanced Rescue Craft (ARC) on a Combat Expendable Platform (CEP) 

4 

3 

8 8 

Cut one piece of honeycomb 10- by 58-inches and one 4- by 58 inches. 

Cut a piece of 3/4-inch plywood 4- by 24-inches. 

Glue the 4- by 24-inch piece of plywood flush to one corner of the 10- by 58-inch piece of 

honeycomb (not shown). 

Glue the 4- by 58-inch piece of honeycomb on top of the plywood and the 10- by 58-inch piece of 

honeycomb (not shown). 

Stack 2 is cut the same as stack 1. 

Position (Do not glue) stacks 1 and 2 flush with the front of the honeycomb in Figure 5-4 and 7 

inches in from the sides. Ensure the end with the plywood piece is to the rear of the platform. 

Note. Stacks 1 and 2 will have to be adjusted to the hull of the ARC. 

3. 

4. 

5. 

6. 

7. 

8. 

Figure 5-4. Honeycomb Positioned (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 5-7 
 Chapter 5 

POSITIONING THE ARC 

5-5. Position the ARC as shown in Figure 5-5. 

REAR 

1 

14” 

3 

1. 

2. 

3. 

Position the ARC on honeycomb stacks 1 and 2 with the nose towards the rear of the 

platform. 

Center it left and right (not shown). 

 Make sure there is a 14-inch overhang to the rear of the platform. 

Figure 5-5. ARC Positioned 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

5-8 19 September 2007 
Rigging the Advanced Rescue Craft (ARC) on a Combat Expendable Platform (CEP) 

PREPARING THE ARC 

5-6. Ensure the fuel tank is no more than 3⁄4 full. Prepare as shown in Figure 5-6. 

3 

3 

2 1 

1. 

2. 

3. 

Cut handle bar honeycomb to prescribed measurements and install under the handle bars. 

Secure to the handlebars with 2-inch cloth-backed adhesive tape or lengths of Type III nylon 

cord. 

Cut nose honeycomb to prescribed measurements and position over the nose. Secure to the 

nose with 2-inch cloth-backed adhesive tape or lengths of Type III nylon cord. 

Tape over fuel cap, on/off switch, and compartments with 2-inch cloth-backed adhesive tape. 

Figure 5-6. ARC Prepared 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 5-9 
 Chapter 5 

4 

5 

4. 

5. 

Remove the rear section of the ARC seat to expose the intake port. 

Plug the intake port by taping over the opening with lengths of 2-inch cloth-backed tape. 

Secure the tape in place with a retainer band. Attach a 12-inch Type III nylon cord lanyard to 

the tape. Route the lanyard to the outside of the ARC and tape in place with 2-inch clothbacked adhesive tape. 

Figure 5-6. ARC Prepared (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

5-10 19 September 2007 
Rigging the Advanced Rescue Craft (ARC) on a Combat Expendable Platform (CEP) 

Note. If the rucksack and the first aid pack are to be rigged on the ARC use steps below. 

6. Position the rucksack on the ARC behind the seat. Secure the rucksack to the rear handgrip 

and the tow ring with a length of Type III nylon cord. 

7. Position the first aid pack on top of the rucksack and secure to the same locations with a 

length of Type III nylon cord. 

7 

6 

Figure 5-6. ARC Prepared (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 5-11 
 Chapter 5 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

5-12 19 September 2007 

Center a 20-man life raft on the rescue board with closing flap up. 

Form an 8-inch tie-down ring, according to Figure 2-16. Center the tie-down ring on the 20-

man life raft. 

Figure 5-6. ARC Prepared (continued) 

8 

9 

11 

12 

10 

8. 

9. 

10. Girth hitch five 6-foot 1/2-inch tubular nylon ties to the rescue raft handles and secure to the 

tie-down ring with trucker’s hitches. 

11. Position the rescue board upside down on top of the seat and handlebars with the nose 

towards the rear of the ARC. 

12. Attach the rescue board lanyard, or a 10-foot length of Type III nylon cord, to the tie-down 

ring on the aft of the ARC. S-fold the excess and tape with 2-inch masking tape. 

Note. If the ARC is to be rigged without the 20-man life raft, make sure the rescue board is leveled with honeycomb. 
Rigging the Advanced Rescue Craft (ARC) on a Combat Expendable Platform (CEP) 

LASHING THE ARC 

5-7. Lash the ARC to the platform with two 6-foot, sixteen 15-foot, and four 20-foot lengths of 1/2-inch 

tubular nylon webbing as shown in Figure 5-7. 

5 

4 

5 

4 

1. 

2. 

3. 

4. 

5. 

Form a 10-inch tiedown ring, according to Figure 2-16. Center the tiedown ring on top of the 

load (not shown). 

Form a trucker’s hitch at one end of the tiedown and pass that end under/over the tiedown 

ring (not shown). 

Route other end of the tiedown through the truckers hitch and tighten. Secure with three 

alternating half hitches with knot in running end. 

Tie all of the 15-foot lashings (except lashings 4 and 4a from the front of the platform), to the 

tiedown ring as described in Steps 2 and 3. 

Pass one end of the rear lashing around each side of the nose of the ARC. Tie the ends 

together with an overhand knot about 12 inches above the point of the nose. Tie the lashing 

to the tie-down ring as in Steps 2, 3, and 4. 

Figure 5-7. ARC Lashed to Platform 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 5-13 
 Chapter 5 

7 

6. 

7. 

Tie the front lashing to the tiedown ring as mentioned in Steps 2 and 3. 

Girth hitch one 6-foot 1/2-inch tubular nylon lashing to the very front of both longitudinal 

stringers. Tie the lashings to the front lashing, pulling the front lashing away from the jet drive 

and linkage. Tape around the knot with 2-inch cloth-backed adhesive tape. 

Figure 5-7. ARC Lashed to Platform (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

5-14 19 September 2007 
Rigging the Advanced Rescue Craft (ARC) on a Combat Expendable Platform (CEP) 

9

9 10 10 

8. 

9. 

Tie lashings 4 and 4a, from the front of the platform, to the rear lashing approximately 6 

inches above the point of the nose of the ARC. 

Tie a length of Type III nylon cord across the nose of the ARC at the points where the two 

lashings are secured in step 10. Tape the knots with 2-inch cloth-backed adhesive tape. 

10. Tie a length of Type III nylon cord to the rear lashing underneath the nose of the ARC. Do 

not route through tiedown ring. Tape the knots with 2-inch cloth-backed adhesive tape. 

Figure 5-7. ARC Lashed to Platform (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 5-15 
 Chapter 5 

SAFETY TIEING SUSPENSION SLINGS 

5-8. Safety the suspension slings as shown in Figure 5-8. 

1. Raise the suspension slings. 

2. Make the deadman’s tie 6 to 8 inches above the load as described in FM 4-20.102/MCRP 4­

11.3J/NAVSEA SS400-AB-MMO-010/TO 13C7-1-5. Lower the suspension slings until they 

REAR 

3 

3 

4 

2 

1 

3. 

4. 

touch the tie-down ring and secure them to the tie-down ring with lengths of one turn, 1/4­

inch cotton webbing. 

Attach the suspension slings to the arms of a medium suspension clevis. Attach a 3-foot, 2­

loop Type XXVI nylon suspension sling to the bolt end of the medium clevis. 

S-fold the excess suspension sling and tape with one turn 2-inch cloth-backed adhesive tape. 

Figure 5-8. Suspension Slings Safetied 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

5-16 19 September 2007 
Rigging the Advanced Rescue Craft (ARC) on a Combat Expendable Platform (CEP) 

STOWING PARACHUTE 

5-9. Stow the G-12E cargo parachute as shown in Figure 5-9. 

1 

2 2 

REAR 

1. 

2. 

Position the G-12E cargo parachute with bridle towards the front, centered left and right, and 

flush to the front edge of the rescue board. 

Secure all four corners of the G-12E D-bag to the platform with suitable lengths of 1/4-inch 

cotton webbing. 

Figure 5-9. Cargo Parachute Positioned 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 5-17 
 Chapter 5 

INSTALLING THE AUTOMATIC CARGO PARACHUTE RELEASE 

5-10. Install the automatic cargo parachute release as shown in Figure 5-10. 

WARNING 

The automatic cargo parachute release must be tested by the 

manufacturers instructions prior to installation on the airdrop 

load. 

3 

1 

2 

1. 

2. 

3. 

4. 

Attach the running end of the 3-foot, 2-loop Type XXVI nylon suspension sling to the bottom 

release fitting shackle (small portion) with a small clevis. Tape the buffer with one turn 2-inch 

cloth-backed adhesive tape. 

Attach one end of a 3-foot, 2-loop Type XXVI nylon riser extension to the main body section 

shackle with a small clevis. Attach the running end of the riser extension to the cargo 

parachute clevis. Tape the buffers with 2-inch cloth-backed adhesive tape. 

Secure the small clevises of the release to a convenient point on the top of the load with 

lengths of one turn 1/4-inch cotton webbing. 

Cut and remove the triple transportation tie on the cargo parachute clevis. 

Figure 5-10. Automatic Cargo Parachute Release Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

5-18 19 September 2007 
Rigging the Advanced Rescue Craft (ARC) on a Combat Expendable Platform (CEP) 

STOWING THE EXTRACTION PARACHUTE 

5-11. Stow the 15-foot extraction parachute packed in a T-10 deployment bag as shown in Figure 5-11. 

Note. For the 15-foot extraction parachute packing procedures refer to FM 10-500-77/TO 13C7-55-1, 

Chapter 3. 

2 

1 

1. 

2. 

Attach a 9-foot, 2-loop Type XXVI nylon extraction line to the bell portion of a medium 

suspension clevis. Attach the bridle of the G-12E cargo parachute to the bolted end of the 

medium clevis. Secure the clevis to the riser extension stow bar of the cargo parachute with a 

length of one turn single 1/4-inch cotton webbing. 

Attach the 36-inch adapter web of a 15-foot extraction parachute packed in a T-10 D-bag to 

the bell portion of a medium suspension clevis. Attach the running end of the 9-foot, 2-loop 

extraction line to the bolt end of the medium clevis. S-fold and tape the excess extraction line 

with one turn 2-inch cloth-backed adhesive tape. 

Figure 5-11. Extraction Parachute Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 5-19 
 Chapter 5 

3 

4 

3. 

4. 

S-fold the 36-inch adapter web and place it and the extraction line centered on top of the G12E cargo parachute. Place the 15-foot extraction parachute, with the mouth of the bag 

facing to the rear of the load and suspension line protective flap up, centered and on top of 

the adapter web and extraction line. Secure the extraction parachute to the front and rear 

riser extension stow bars of the cargo parachute with four lengths of ticket number 5 cotton 

thread. 

Fit rubber retainer bands to the front riser extension stow bar. Fold the static line, and hold 

the folds in place with the rubber retainer bands. 

Figure 5-11. Extraction Parachute Installed (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

5-20 19 September 2007 
Rigging the Advanced Rescue Craft (ARC) on a Combat Expendable Platform (CEP) 

ATTACHING FLOTATION DEVICES FOR TRAINING LOADS 

5-12. Use flotation devices on training loads to help recover equipment. Install flotation devices as shown 

in Figure 5-12. 

2 

1 

1. 

2. 

Install one flotation device on the 3-foot suspension sling (below the release), and one on the 

3-foot riser extension (above the release) with lengths of Type III nylon cord. 

Install a flotation device on the left front of the cargo parachute D-bag with lengths of Type III 

nylon cord. 

Figure 5-12. Flotation Devices Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 5-21 
 Chapter 5 

MARKING THE RIGGED LOAD 

5-13. Mark the rigged load according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO010/TO 13C7-1-5 and as shown in Figure 5-13. Complete the Shipper’s Declaration for Dangerous Goods. 

Note. Attach the load data tag on the rear of the ARC. 

Rigged Load Data 

Total Rigged Weight: Load shown ........................................................................ 1,140 pounds 

Height: ..........................................................................................................................70 inches 

Width:............................................................................................................................48 inches 

Length:.....................................................................................................................111.5 inches

Overhang: Front .................................................................................................10.5 inches 

 Rear .....................................................................................................14 inches 

CB (from the front edge of the platform)....................................................................36.5 inches 

Figure 5-13. The ARC Rigged on a Combat Expendable Platform 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

5-22 19 September 2007 
Rigging the Advanced Rescue Craft (ARC) on a Combat Expendable Platform (CEP) 

EQUIPMENT REQUIRED 

5-14. Use the equipment listed in Table 5-1 to rig this load. 

Table 5-1. Equipment Required for Rigging the GP 800 Advanced Rescue Craft 

National Stock 

Number 

Item Quantity 

5530-00-128-4981 

5510-00-220-6146 

5510-00-220-6148 

5510-00-220-6274 

5315-00-010-4659 

Local purchase 

Local purchase 

1670-01-062-6302 

1670-01-062-6304 

1670-01-062-6301 

1670-01-678-8562 

4030-00-360-0304 

4030-00-678-8560 

1670-01-065-3755 

1670-01-063-3715 

1670-00-590-9909 

1670-01-310-2875 

4220-00-059-6061 

1670-00-753-3928 

8305-00-082-5752 

4020-00-240-2146 

8305-00-268-2411 

8310-00-917-3945 

7510-00-266-5016 

7510-00-297-6655 

1670-00-568-0323 

Plywood: 

3/4 x 48 x 96-inch plywood 

2 x 4 x 44-inch lumber 

2 x 6 x 44-inch lumber 

2 x 6 x 87-inch lumber 

4 x 4 x 87-inch lumber 

Nail, steel wire, common, 8D (or) 

1 1/2-inch Wood screw 

Bolt, Carriage, 3/8”Dia. 7” Long 

w/washer and nut 

Air Items: 

Line, 20-foot 2-loop Type XXVI 

Line, 9-foot 2-loop Type XXVI 

Line, 3-foot 2-loop Type XXVI 

Clevis, Medium, Suspension 

Clevis, Small 5/8-inch 

Clevis, G-13 

Parachute, Cargo G-12E 

Parachute, Cargo 15-foot Extraction 

D-bag, T-10 Personnel Parachute 

Release, Automatic Cargo Parachute 

Flotation Device, LPU-3/P 

Expendables: 

Pad, Energy Dissipating 

Webbing, 1/2-inch Tubular Nylon 

Cord, Type III Nylon 

Webbing, 1/4-inch Cotton (80lb) 

Thread, Ticket 8/7 Cotton 

Tape, 2-inch Cloth-backed Adhesive 

Tape, 2-inch Masking 

Band, Rubber Retainer 

1 

5 

2 

2 

2 

As required 

As required 

8 

2 

1 

2 

3 

2 

1 

1 

1 

1 

1 

3 

3 

As required 

As required 

As required 

As required 

As required 

As required 

As required 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 5-23 
 Chapter 5 

SECTION II-RIGGING THE XL1200 ARC 

DESCRIPTION OF LOAD 

5-15. The XL1200 ARC shown in Figure 5-14, is rigged on a 48- by 87-inch Combat Expendable Platform 

for low-velocity airdrop. This load can be rigged with or without a 20-man life raft, a rescue board, a 

rucksack, and an aid bag. The load requires one G-12E cargo parachute and a 15-foot cargo extraction 

parachute packed in a T-10 deployment bag. 

Figure 5-14. XL1200 ARC 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

5-24 19 September 2007 
Rigging the Advanced Rescue Craft (ARC) on a Combat Expendable Platform (CEP) 

BUILDING THE COMBAT EXPENDABLE PLATFORM 

5-16. Build a new 48- by 87-inch CEP or inspect and repair a used platform as shown in Figure 5-15. 

6 

Lay out two 4- by 4- by 87-inch and two 2- by 6- by 87-inch longitudinal stringers. 

Lay two 2- by 6- by 44-inch and four 2- by 4- by 44-inch lateral stringers on top and across 

the longitudinal stringers matching the measurements above. 

Secure the lateral stringers to the longitudinal stringers with 8d nails. Do not nail within 2 

inches of the ends of the 4- by 4- by 87-inch longitudinal stringers (not shown). 

Position the 3/4- by 48- by 87-inch plywood on top of the lateral stringers leaving a 2-inch 

overhang on each side of the 4- by 4- by 87-inch longitudinal stringers. 

4 

1 2 9 9

6 

1. 

2. 

3. 

4. 

Figure 5-15. CEP Built 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 5-25 
 Chapter 5 

5. 

6. 

7. 

8. 

9. 

Secure the plywood to the lateral stringers with 8d nails at 6-inch intervals (not shown). 

Cut the corners of the platform at a 45-degree angle to include the corners of the 4- by 4- by 

87-inch longitudinal stringers. 

Turn the platform over and drill eight 3/4-inch hole for the carriage bolts. Drill again with a 

large enough drill bit in order to counter sink the bolt heads, washers, and nuts (not shown). 

Install the carriage bolts from bottom to top and trim the threaded ends at the nuts. File sharp 

edges (not shown). 

Drill a 2-inch hole centered on each end of the platform. 

Figure 5-15. Combat Expendable Platform Built (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

5-26 19 September 2007 
Rigging the Advanced Rescue Craft (ARC) on a Combat Expendable Platform (CEP) 

PREPARING THE PLATFORM 

5-17. Prepare the Combat Expendable Platform as shown in Figure 5-16. 

5 

4 

3 

2 

1 

1. 

2. 

3. 

4. 

5. 

6. 

Lay a 20-foot, 2-loop Type XXVI nylon sling centered across the rear suspension point. 

Tape the suspension sling where it comes in contact with the 2- by 6- by 87-inch longitudinal 

stringers with 2-inch cloth-backed adhesive tape. 

Tie two 24-inch lengths of Type III nylon cord to the suspension sling making two wraps and 

securing with a surgeon’s knot and locking knot, leaving equal amounts of running ends. 

Route and center the suspension sling through the suspension sling slot in the platform. 

Secure the suspension sling to the 2- by 6- by 87-inch longitudinal stringer with the lengths of 

Type III nylon cord with a surgeon’s knot and locking knot. 

Repeat for the front suspension sling. 

Figure 5-16. Platform Prepared 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 5-27 
 Chapter 5 

Girth hitch eighteen 20-foot lengths of 1/2-inch tubular nylon webbing to the 4- by 4- by 87­

inch longitudinal stringer as shown. Label right side 1 through 9 and left side 1a through 9a. 

Route a 25-foot length of 1/2-inch tubular nylon webbing, doubled around both of the 2- by 6- 

by 87-inch longitudinal stringers at the front and rear of the platform. Secure the front with an 

8 

REAR FRONT 

8 7 

7. 

8. 

overhand knot as close to the platform as possible. Secure the rear with an overhand knot, 

24 inches from the rear edge of the platform. 

Figure 5-16. Platform Prepared (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

5-28 19 September 2007 
Rigging the Advanced Rescue Craft (ARC) on a Combat Expendable Platform (CEP) 

PREPARING AND POSITIONING HONEYCOMB 

5-18. Prepare and position the honeycomb as shown in Figure 5-17. 

1 

2 

1. 

2. 

Position one 6- by 87-inch piece of honeycomb on each 2- by 6- by 87-inch longitudinal 

stringer, flush with the sides. Secure in place with lengths of 2-inch cloth-backed adhesive 

tape. 

Position (do not glue) two 36- by 42-inch pieces and one 15- by 42-inch piece of honeycomb 

on top of the honeycomb placed in step 1 centered and flush. 

Figure 5-17. Honeycomb Positioned 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 5-29 
 Chapter 5 

3 

4 

6 

7 

Cut a 10- by 70-inch piece of honeycomb for a base. 

Glue a 40- by 70-inch piece of honeycomb on top of the honeycomb in step 3 flush with one 

side. 

Repeat steps 3 and 4 (not shown). 

Position (do not glue) stacks 1 and 2 flush with the front and sides of the honeycomb in 

Figure 5-16. 

Cut a 4- by 12 -inch piece of honeycomb. Position (do not glue) stack 3 centered and flush 

with the rear of the honeycomb in Figure 5-16. 

Note. Stacks 1, 2, and 3 will have to be adjusted to the hull of the ARC. 

3. 

4. 

5. 

6. 

7. 

Figure 5-17. Honeycomb Positioned (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

5-30 19 September 2007 
Rigging the Advanced Rescue Craft (ARC) on a Combat Expendable Platform (CEP) 

POSITIONING THE ARC 

5-19. Position the ARC as shown in Figure 5-18. 

1 

1. Position the ARC on honeycomb stacks 1, 2, and 3 centered on the platform and nose of the 

ARC towards the rear of the platform. 

Note. There will be a 25-inch overhang in the rear and 12-inch overhang in the front of the platform. 

Figure 5-18. ARC Positioned 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 5-31 
 Chapter 5 

PREPARING THE ARC 

5-20. Ensure the fuel tank is no more than 3⁄4 full. Prepare as shown in Figures 5-19 through 5-22. 

2 

1 

3 

1. 

2. 

3. 

Cut handlebar honeycomb to prescribed measurements and install under the handle bars. 

Secure to the handlebars with 2-inch cloth-backed adhesive tape or lengths of Type III nylon 

cord. 

Cut nose honeycomb to prescribed measurements and position over the nose. Secure to the 

nose with 2-inch cloth-backed adhesive tape or lengths of Type III nylon cord. 

Tape over fuel cap, on/off switch, and compartments with 2-inch cloth-backed adhesive tape. 

Figure 5-19. Nose and Handlebar Honeycomb Prepared 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

5-32 19 September 2007 
Rigging the Advanced Rescue Craft (ARC) on a Combat Expendable Platform (CEP) 

CAUTION 

Ensure the drain plugs are securely tightened at the rear of the ARC. 

2 

1 

1. 

2. 

Remove the rear section of the ARC seat to expose the intake port. 

Plug the intake port by taping over the opening with lengths of 2-inch cloth-backed adhesive 

tape. Secure the tape in place with a retainer band. Attach a 12-inch Type III nylon cord 

lanyard to the tape. Route the lanyard to the outside of the ARC and tape in place with 2-inch 

cloth-backed adhesive tape. 

Figure 5-20. Intake Port Plugged 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 5-33 
 Chapter 5 

Note. If the rucksack and the first aid pack are to be rigged on the ARC use the steps below. 

1 2 

3 

1. 

2. 

3. 

Position the rucksack on the ARC behind the seat. Secure the rucksack to tow ring and 

around the rescue board quick attach assembly with a length of 1/2-inch tubular nylon 

webbing. 

Position the first aid pack on top of the rucksack and secure to the same locations with a 

length of 1/2-inch tubular nylon webbing 

Secure the protector flap around the rescue board quick attach link with two lengths of Type 

III nylon cord. 

Figure 5-21. Rescue Board Quick Attach Link Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

5-34 19 September 2007 
Rigging the Advanced Rescue Craft (ARC) on a Combat Expendable Platform (CEP) 

2 

3 

1 5 

6 

4 

Pad the metal bracket on the nose of the rescue board with cellulose wadding and secure 

with 2-inch cloth-backed adhesive tape. 

Center a 20-man life raft on the rescue board with closing flap up. 

Form an 8-inch tiedown ring as shown in Figure 2-16. Center the tiedown ring on the 20-man 

life raft. 

Cut four 6-foot lengths of 1/2-inch tubular nylon webbing for securing ties. Secure one end of 

the tie to a rescue board handle. Route the tie through the tiedown ring and secure to another 

rescue board handle with a trucker’s hitch. 

Position the rescue board upside down on top of the seat and handlebars with the nose 

towards the rear of the ARC. 

Attach a 10-foot length of 1/2-inch tubular nylon webbing to a rescue board handle and the 

tow ring. S-fold the excess and tape with 2-inch masking tape. 

Note. If the ARC is to be rigged without the 20-man life raft, ensure rescue board is leveled with honeycomb. 

1. 

2. 

3. 

4. 

5. 

6. 

Figure 5-22. Rescue Board Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 5-35 
 Chapter 5 

LASHING THE ARC 

5-21. Lash the ARC to the platform with two 6-foot, eighteen 20-foot and two 25-foot (doubled) lengths of 

1⁄2-inch tubular nylon webbing as shown in Figure 5-23. 

5 

1 

4 

5 

1. 

2. 

3. 

4. 

5. 

Form a 10-inch tiedown ring as shown in Figure 2-16. Center the tiedown ring on top of the 

load. 

Tie a loop in one end of each 20-foot lashing with an overhand knot. Tie the running end with 

an overhand knot (not shown). 

Pass the looped end through the tiedown ring. Pass the opposite end of the lashing through 

the loop, pull it tight, and tie it with three alternating half hitches with a knot in the running end 

(not shown). 

Tie all of the 20-foot lashings, (except 4 and 4a, and 5 and 5a from the front of the platform), 

to the tiedown ring as described in steps 2, 3, and 5. 

Pass one end of the rear lashing around each side of the nose of the ARC. Tie the ends 

together with an overhand knot about 18 inches above the point of the nose. Tie the lashing 

to the tiedown ring as in steps 2, 3, and 4. 

Figure 5-23. ARC Lashed to Platform 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

5-36 19 September 2007 
Rigging the Advanced Rescue Craft (ARC) on a Combat Expendable Platform (CEP) 

7 

6 

6. 

7. 

Pass one end of the front lashing around each side of the jet drive and the rescue board 

quick attach link. Tie the ends together with an overhand knot about 18 inches above the 

CEP. Tie the front lashing to the tiedown ring as described in steps 2, 3, and 4. 

Girth hitch one 6-foot 1/2-inch tubular nylon webbing lashing to the very front of both 

longitudinal stringers. Secure to the front lashing with a trucker’s hitch, pulling the front 

lashing away from the jet drive and linkage. Tape around the two lashings with 2-inch clothbacked adhesive tape. 

Figure 5-23. ARC Lashed to Platform (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 5-37 
 Chapter 5 

8 

9 

8. 

9. 

Tie lashings 4 and 4a from the front of the platform, to the rear lashing approximately 6 

inches above the point of the nose of the ARC. Secure the rear lashing with a trucker’s hitch 

pulling the rear lashing away from the nose of the ARC. Tape around the two lashings with 2­

inch cloth-backed adhesive tape. 

Tie lashings 5 and 5a from the front of the platform, to the front lashing approximately, 3 

inches above the rescue board quick attach link. Secure to the front lashing with a truckers 

hitch pulling the front lashing away from the rescue board quick attach link. Tape around the 

two lashings with 2-inch cloth-backed adhesive tape. 

Figure 5-23. ARC Lashed to Platform (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

5-38 19 September 2007 
Rigging the Advanced Rescue Craft (ARC) on a Combat Expendable Platform (CEP) 

SAFETY TIEING SUSPENSION SLINGS 

5-22. Safety tie the suspension slings as shown in Figure 5-24. 

2 

1 

3 

5 

4 

3 

4 

5 

1. 

2. 

3. 

4. 

5. 

Raise the suspension slings. 

Install the deadman’s tie 6 to 8 inches above the load as described in FM 4-20.102/MCRP 4­

11.3J/NAVSEA SS400-AB-MMO-010/TO 13C-7-1-5. 

Lower the suspension slings until they touch the tiedown ring. Secure them to the tiedown 

ring with lengths of one turn 1/4-inch cotton webbing. 

Attach the suspension slings to the arms of a medium suspension clevis. Attach a 3-foot, 2­

loop Type XXVI nylon suspension sling to the bolt end of the medium clevis. 

S-fold the excess suspension sling and tape with one turn 2-inch cloth-backed adhesive tape. 

Figure 5-24. Suspension Slings Safety Tied 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 5-39 
 Chapter 5 

STOWING CARGO PARACHUTE 

5-23. Stow the G-12E cargo parachute as shown in Figure 5-25. 

1 

2 

1. 

2. 

Position the G-12E parachute with the bridle towards the front, centered on the rescue board. 

Secure all four corners of the G-12E D-bag to the platform with suitable lengths of 1/4-inch 

cotton webbing. 

Figure 5-25. Cargo Parachute Stowed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

5-40 19 September 2007 
1 

Rigging the Advanced Rescue Craft (ARC) on a Combat Expendable Platform (CEP) 

INSTALLING THE AUTOMATIC CARGO PARACHUTE RELEASE 

5-24. Install the cargo parachute hydraulic release as shown in Figure 5-26. 

WARNING 

The automatic cargo parachute release must be pre-drop tested 

according to the manufacturer’s instructions prior to installation 

on the airdrop load. 

1. Attach the running end of the 3-foot, 2-loop Type XXVI nylon suspension sling to the bottom 

release fitting shackle (small portion) with a suspension clevis. Tape the buffer with one turn 

2-inch cloth-backed adhesive tape. 

2. Attach one end of a 3-foot, 2-loop Type XXVI nylon webbing riser extension to the main body 

of the release with a suspension clevis. Attach the running end of the riser extension to the 

cargo parachute clevis. Tape the buffers with 2-inch cloth-backed adhesive tape. 

3. Secure the suspension clevises of the release to a convenient point on the top of the load 

with suitable lengths of 1/4-inch cotton webbing. 

4. Cut and remove the triple transportation tie on the cargo parachute clevis (not shown). 

3 

2 

2 

1 

Figure 5-26. Automatic Cargo Parachute Release Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 5-41 
 Chapter 5 

STOWING THE EXTRACTION PARACHUTE 

5-25. Stow the 15-foot extraction parachute packed in a T-10 deployment bag as shown in Figure 5-27. 

Note. For the 15-foot extraction parachute packing procedures, see FM 10-500-77, Chapter 3. 

1 

2 

1. 

2. 

Attach a 9-foot, 2-loop Type XXVI nylon webbing extraction line to the bell portion of a 

medium suspension clevis. Attach the bridle of the G-12E cargo parachute to the bolted end 

of the medium clevis. Secure the clevis to the riser extension stow bar of the cargo parachute 

with a length of one turn single 1⁄4-inch cotton webbing. 

Attach a 36-inch adapter web of a 15-foot extraction parachute packed in a T-10 deployment 

bag to the bell portion of a medium suspension clevis (not shown). Attach the running end of 

the 9-foot, 2-loop Type XXVI nylon webbing extraction line to the bolt end of the medium 

clevis. S-fold and tape the excess extraction line with one turn 2-inch cloth-backed adhesive 

tape. 

Figure 5-27. Extraction Parachute Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

5-42 19 September 2007 
Rigging the Advanced Rescue Craft (ARC) on a Combat Expendable Platform (CEP) 

3 

4 

3. 

4. 

S-fold the 36-inch adapter web and place it and the extraction line centered on top of the G12E cargo parachute. Place the 15-foot extraction parachute, with the mouth of the bag 

facing to the rear of the load and suspension line protective flap up, centered on top of the 

adapter web and extraction line. Secure the extraction parachute to the front and rear riser 

extension stow bars of the cargo parachute with four suitable lengths of ticket number 5, 8/7 

cotton thread. 

Fit rubber retainer bands to the front riser extension stow bar. Fold the static line, and hold 

the folds in place with the rubber retainer bands. 

Figure 5-27. Extraction Parachute Installed (continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 5-43 
 Chapter 5 

ATTACHING FLOTATION DEVICES FOR TRAINING 

5-26. Use flotation devices on training loads to help recover equipment. Install flotation devices as shown 

in Figure 5-28. 

1 

2 

1. 

2. 

Install one flotation device on the 3-foot suspension sling (below the release), and one on the 

3-foot riser extension (above the release) with suitable lengths of Type III nylon cord. 

Install a flotation device on the left front of the cargo parachute deployment bag with suitable 

lengths of Type III nylon cord. 

Figure 5-28. Flotation Devices Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

5-44 19 September 2007 
Rigging the Advanced Rescue Craft (ARC) on a Combat Expendable Platform (CEP) 

MARKING THE RIGGED LOAD 

5-27. Mark the rigged load according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO010/TO 13C7-1-5 and as shown in Figure 5-29. 

Note. Attach the load data tag on the rear of the ARC. 

Rigged Load Data 

Weight: Load shown..........(with a 20-man life raft) .............................................1,450 pounds 

(without a 20-man life raft) ........................................1,380 pounds 

Height:.......................................................................................................................... 78 inches 

Width: ........................................................................................................................... 48 inches 

Length: ....................................................................................................................... 124 inches 

Overhang: Front.................................................................................................... 12 inches 

 Rear .................................................................................................... 25 inches 

CB (from the front edge of the platform) ................................................................... 36.5 inches 

Figure 5-29. The XL 1200 ARC Rigged on a Combat Expendable Platform 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 5-45 
 Chapter 5 

EQUIPMENT REQUIRED 

5-28. Equipment required to rig the ARC on the 48- by 87-inch combat expendable platform for lowvelocity airdrop is listed in Table 5-2. 

Table 5-2. Equipment Required for Rigging the XL 1200 Advanced Rescue Craft 

National Stock Item Quantity 

Number 

5530-00-128-4981 3/4- by 48- by 96-inch Plywood 1 Sheet 

5510-00-220-6146 2- by 4- by 44-inch Lumber 5 

5510-00-220-6148 2- by 6- by 44-inch Lumber 2 

2-by 6- by 87-inch Lumber 2 

5510-00-220-6274 4-by 4- by 87-inch Lumber 2 

5315-00-010-4659 Nail, steel, wire, common, 8d As Required 

(or) 

Local Purchase 1 1/2-inch Wood screw As Required 

Local Purchase Bolt, Carriage, 3/8-inch Dia. 7 inches long w/ 

washer and nut 8 

Air Items: 

1670-01-062-6302 Line, 20-foot, 2-loop Type XXVI 2 

1670-01-062-6304 Line 9-foot, 2-loop Type XXVI 1 

1670-01-062-6301 Line 3-foot, 2-loop Type XXVI 2 

4030-00-678-8562 Clevis, Medium Suspension 3 

4030-00-360-0304 Clevis, Suspension, air delivery 2 

4030-00-678-8560 Clevis, G-13 1 

1670-01-065-3755 Parachute, Cargo G-12E 1 

1670-01-063-3715 Parachute, Cargo 15-foot extraction 1 

1670-00-590-9909 D-bag, T-10 Personnel Parachute 1 

1670-01-310-2875 Release, Automatic Cargo Parachute 1 

4220-00-059-6061 Flotation Device, LPU-3/P 3 

Expendables: 

1670-00-753-3928 Pad, Energy Dissipating 4 Sheets 

8305-00-082-5752 Webbing, 1⁄2-inch Tubular Nylon As Required 

4020-00-240-2146 Cord, Type III Nylon As Required 

8305-00-268-2411 Webbing, 1⁄4-inch Cotton (80 lb.) As Required 

8310-00-917-3945 Thread, Ticket #5 Cotton As Required 

7510-00-266-5016 Tape, 2-inch Cloth-backed adhesive As Required 

7510-00-297-6655 Tape, 2-inch Masking As Required 

1670-00-568-0323 Band, Rubber Retainer As Required 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

5-46 19 September 2007 
Chapter 6 

Wind Supported Aerial Delivery System (WSADS) Snow 

Goose 

DESCRIPTION OF LOAD 

6-1. The Wind Supported Aerial Delivery System (WSADS) Snow Goose is a low-cost, reusable, fully 

autonomous, unmanned aerial vehicle (UAV) that can be used to carry out a variety of missions at 

otherwise inaccessible locations. It is quickly configurable for air or ground launch deployable missions. 

Note. Before rigging the WSADS by this chapter, refer to the manufacturer’s Pre-Flight 

Procedures to ensure all steps are adhered to. Mission requirements dictate the amount of fuel 

that is used, but each fuel cell will be full. Strict adherence to proper procedures is crucial to the 

survivability of this piece of equipment. 

Figure 6-1. The Wind Supported Aerial Delivery System (Snow Goose) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 6-1 
Chapter 6 

INSTALLING AIR LAUNCH PARACHUTE 

6-2. Install the Air Launch Parachute as described and shown in Figure 6-2. 

CAUTION 

It is a mandatory requirement that only qualified riggers who have 

successfully completed the Mist Mobility Integrated Systems 

Technology (MMIST) Air Parachute training course are certified to 

pack both the air launch and drogue parachutes. Packing both 

parachutes requires following precise, detailed procedures to ensure 

the successful and timely deployment of both parachutes. The Air 

Launch Parachute will be packed prior to rigging the WSADS and 

according to the manufacturer’s rigging procedures. 

1 

2 

3 

Install the Air Launch Parachute Container to the Snow Goose top panel. 

Secure both side flaps with the hardware provided. 

Unfold the parachute container rear flap, outer side flaps and inner side flaps leaving the 

front flap towards the front of the vehicle. The front flap has a channel guide for the locking 

pin bridle for easy identification. 

Note. Ensure side flap with hook pile tape is installed on the right side. 

1. 

2. 

3. 

Figure 6-2. Air Launch Parachute Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

6-2 19 September 2007 
Wind Supported Aerial Delivery System (WSADS) Snow Goose 

4 

5 

4. 

5. 

Place the packed parachute in its recovery bag on top of the Snow Goose with the direction 

of flight arrow facing the front. 

Open the recovery bag exposing the six lower riser shackle bolts (right side shown). 

Note. The green-tagged risers should be on the right. 

Figure 6-2. Air Launch Parachute Installed (Continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 6-3 
Chapter 6 

6 6 

7 

6. 

7. 

8. 

One at a time, disconnect each lower riser shackle from the recovery bag and immediately 

connect it to the corresponding attachment point on the vehicle. 

Insert shackle bolts from the outboard to inboard and tighten until screw pin clicks. 

Once all six shackles are connected, ensure there are no twists in the lower risers (not 

shown). 

Figure 6-2. Installing Air Launch Parachute (Continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

6-4 19 September 2007 
Wind Supported Aerial Delivery System (WSADS) Snow Goose 

10 

9 

12 

Pull each of the two Airborne Guidance Unit (AGU) steering lines to their full extension 

(called mechanical zero). 

15. Repeat the above step carefully stowing the right steering line in the right steering line 

channel. 

Note. Carefully stow all excess steering line in the upper rear riser steering line channel. 

14. Starting at the front, carefully stow the left steering line in the steering line channel on the 

lower front left riser and S-fold any excess at the rear of the channel (not shown). 

13. Repeat steps 10 through 12 to connect the right AGU steering line to the right parachute 

steering line extension. 

12. Visually check to ensure that the AGU steering lines run directly from the AGU to the 

connection point, without twisting around the lower risers. Tape the steering lines with a 

suitable length of masking tape. 

11. Visually check to ensure that the steering line extension runs directly from the brake, down 

the inner edge of the riser and then through the lower steering guide ring before the 

connection is made to the AGU steering line. 

10. Feed the left steering line through the left guide ring at the top of the lower riser and connect 

the left steering line end with the preset loop to the left parachute steering line extension 

using a rapide link connector. 

Note

9. 

: Right steering line should be 8 to 10 inches longer than the left steering line. 

Figure 6-2. Air Launch Parachute Installed (Continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 6-5 
Chapter 6 

16 

19 

17 

18 

Note. This step requires a second individual to remove the recovery bag. 

16. Remove the recovery bag, and place the packed parachute immediately in front of the engine 

intake, with the lines in front of the parachute. 

17. Ensure the steering line or the brake setting does not get dislodged during the removal of the 

recovery bag. 

18. Place the left set of lower risers over the left edge of the vehicle on top of the side flaps and 

repeat for the right set of lower risers. 

19. Straighten the upper risers. 

Figure 6-2. Air Launch Parachute Installed (Continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

6-6 19 September 2007 
Wind Supported Aerial Delivery System (WSADS) Snow Goose 

23 

20 

24 

Note. Ensure neither the steering line, nor the brake setting gets dislodged during the S-folding process. This step also 

requires a second individual. 

21. Repeat the above step on the right side (not shown). 

24. Roll the parachute over the S-folded risers leaving the lines at the rear of the vehicle. 

23. Cover the risers with the two inner container side flaps. 

22. Make sure that the left and right brake settings are still intact (not shown). 

20. On the left side, pull the lower rear, middle, and front risers in the container area. S-fold the 

riser within the container area keeping all three lower risers tight. 

Figure 6-2. Air Launch Parachute Installed (Continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 6-7 
Chapter 6 

31 

28 29

25 

27 

31. Ensure the corners of the front and rear flaps are neatly tucked under the side flaps. 

30. Remove the pull-up cords (not shown). 

29. Repeat for rear pull-up cord using the long locking pin. 

28. Route a pull-up cord through each soft loop. Route the front pull-up cord through the 

grommets in the following sequence: front, left, rear. Secure with short locking pin. 

27. Before stowing the locking pin bridle, ensure bridle exits bag on the right side of the front flap 

grommet. Stow the excess bridle outside the container with a retainer band located at the top 

of the channel guide. 

26. Close the flaps of the container starting with the front and rear followed by the sides (not 

shown). 

25. Girth hitch the locking pin bridle short end to the deployment bag loop. 

Figure 6-2. Air Launch Parachute Installed (Continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

6-8 19 September 2007 
Wind Supported Aerial Delivery System (WSADS) Snow Goose 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 6-9 

WARNING 

Ensure the drogue bridle is routed over top of the steering line. 

Figure 6-2. Air Launch Parachute Installed (Continued) 

32 

34 

35 

32. Stow the drogue bridle in the bridle channel along the front of the container and along the 

channel on the cowl. Secure with masking tape at intervals of 4 to 6 inches. 

33. Connect the locking pin bridle to the drogue assembly with a small rapide link connector (not 

shown). 

34. Connect the hook pile tape on the drogue bag with the hook pile tape strip on the cowl. 

Ensure the drogue bag is flush against the parachute. 

35. S-fold excess locking pin bridle to keep off floor of the aircraft with a rubber retainer band. 
Chapter 6 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

6-10 19 September 2007 

INSTALLING PYROTECHNIC CUTTERS 

6-3. Install pyrotechnic cutters as shown in Figure 6-3. 

WARNING 

Never connect the drogue bridle ring directly to the Snow Goose 

drogue attachment point using the rapide link connector. A direct 

connection will prevent the pyrotechnic cutters from deploying 

the main canopy, causing critical failure of the system. 

Install the pyrotechnic cutters between the Snow Goose drogue attachment point and the 

medium rapide link connector on the drogue bridle ring (not shown). 

Route a 14-inch piece of braided dacron (1575 pound breaking strength) through two 6 

second (E-3) pyrotechnic cutters approximately 3 inches from the looped end. 

Route looped end up through the drogue attachment ring and attach it to the rapide link. 

Figure 6-3. Pyrotechnic Cutters Installed 

2 3 

3 

1. 

2. 

3. 

Note. Ensure that only the cutter loop connects the drogue bridle to the Snow Goose drogue attachment point. 
Wind Supported Aerial Delivery System (WSADS) Snow Goose 

5 

4 4

5 

4. 

5. 

Route opposite end of the braided dacron up through rapide link and down through the 

drogue attachment ring. 

Route over pyrotechnic cutters and attach to rapide link. 

Figure 6-3. Pyrotechnic Cutters Installed (Continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 6-11 
Chapter 6 

7 

8 

6 

6. 

7. 

8. 

Close rapide link finger tight. 

Once cutters are in place, ensure they are clear of the braided dacron cutter loop 

Connect two small rapide links to the sewn loop on the drogue bag, then connect a 

pyrotechnic cutter to each rapide link. 

WARNING 

Failure to connect the pyrotechnic cutters to the drogue 

attachment bag will prevent the parachute from being deployed. 

Figure 6-3. Pyrotechnic Cutters Installed (Continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

6-12 19 September 2007 
Wind Supported Aerial Delivery System (WSADS) Snow Goose 

9 

9 

10 

9. Girth hitch two lengths of type I, 1/4-inch cotton webbing to the sewn loop on the drogue bag. 

Tie one length to the drogue attachment ring, and the other to the front frame (this reduces 

lateral and vertical motion of the drogue bag and prevents early activation of the pyrotechnic 

cutters). 

10. Tie a length of ticket 5, 8/7 cotton thread across the pyrotechnic cutters to secure the cutters 

to the drogue attachment ring. 

Figure 6-3. Pyrotechnic Cutters Installed (Continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 6-13 
Chapter 6 

RECOVERY DISPATCH PIN PLACEMENT 

6-4. Install recovery dispatch pin as shown in Figure 6-4. 

WARNING 

Failure to ensure the master-panel arming switch and the engine 

start enable switch are both in the off position could result in a 

premature engine start. 

1 

1. Ensure that both the Master Panel-Arming Switch and the Engine Start Enable Switch are 

both in the off position. 

Figure 6-4. Recovery Dispatch Pin Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

6-14 19 September 2007 
Wind Supported Aerial Delivery System (WSADS) Snow Goose 

WARNING 

Failure to replace the recovery dispatch pin will prevent the AGU 

from starting the engine after it leaves the aircraft resulting in the 

possible loss of the Snow Goose and a failed mission. 

2 

3 

2. 

3. 

Remove the recovery dispatch pin and immediately insert the drogue bag dispatch pin line. 

Push the dispatch pin line through the dispatch switch cover as far as possible to prevent 

accidental removal. 

Figure 6-4. Recovery Dispatch Pin Installed (Continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 6-15 
Chapter 6 

SECURING LANDING GEAR 

6-5. Secure landing gear as shown in Figure 6-5. 

1 

1 

1. Depress the leg release pin and insert two leg support lanyards over the top of the pin and 

under the guard. 

CAUTION 

Ensure only the leg release pin and not the guard holds each lanyard. 

WARNING 

The landing gear support lanyards must pass underneath the 

parachute risers when securing the landing legs. Passing a 

lanyard over the top of the riser will result in damage to the Snow 

Goose, including the landing gear. 

Figure 6-5. Landing Gear Secured 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

6-16 19 September 2007 
Wind Supported Aerial Delivery System (WSADS) Snow Goose 

3 

2 

Raise the left side of the vehicle skid and pass the other side of the left landing gear support 

lanyard underneath the parachute riser. 

Pass the unfinished end of the 53-inch braided dacron through the eyebolt and secure with 

three half hitches and a knot in the running end. 

Note. The landing gear support lanyard will come from the manufacturer with one end finger trapped and 53 inches long. 

4. Repeat steps 2 and 3 for the right side landing gear support lanyard (not shown). 

2. 

3. 

Figure 6-5. Landing Gear Secured (Continued) 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 6-17 
Chapter 6 

INSTALLING PROPELLER BRAKE 

6-6. Install propeller brake as shown in Figure 6-6. 

1 

2 

Install left propeller brake by passing the elastic lanyard end through the eyebolt on the rear 

end of the skid. Secure the free end of the brake release lanyard to the vehicles left skid 

center eyebolt with three half hitches and a knot in the running end. 

Install the propeller brake 4 to 6 inches from the tip of the propeller. Route a suitable length of 

type III nylon cord through the left skid rear end eyebolt and tie it tight to the eyebolt using 

half hitches and a knot in the running end. 

Note. Do not overcome the tension of the elastic lanyard with type III nylon cord. 

Repeat steps 1 and 2 for the right side brake release making sure the propeller blades are 

evenly positioned and secured. 

1. 

2. 

3. 

Figure 6-6. Propeller Brake Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

6-18 19 September 2007 
Wind Supported Aerial Delivery System (WSADS) Snow Goose 

INSTALLING DEFLECTOR LANYARDS 

6-7. Install deflector lanyards as shown in Figure 6-7. 

2 

1 

3 

4 

1. 

2. 

3. 

4. 

5. 

Secure the end of a riser deflector lanyard to the left skid front padeye or eyebolt with three 

alternating half hitches and a knot in the running end. 

Route the deflector lanyard behind the drogue tube, through the 24 second (E-3) pyrotechnic 

cutter, between the drogue attachment strap, and behind the locking pin bridle. 

Attach the opposite end of the deflector lanyard to the right skid front padeye or eyebolt and 

secure with three alternating half hitches with a knot in the running end. 

Attach the cutter to a small rapide link, and safety with ticket 5, 8/7 cotton thread to the L-link 

above the drogue ring. Shown above and on the next page. 

Route the riser deflector unfinished end through the right deflector overhand loop and secure 

through the eyebolt using three alternating half hitches with a knot in the running end (not 

shown). 

Figure 6-7. Deflector Lanyard Installed 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 6-19 
Chapter 6 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

6-20 19 September 2007 

Note. Tension of the deflector lanyards must not overcome tension supplied by the leg support lanyards. 

CAUTION 

The deflector must be routed under the drogue tube and the locking 

pin bridle. 

Secure all lanyard loose ends with suitable lengths of masking tape (not shown). 

Figure 6-7. Deflector Lanyard Installed (Continued) 

6 

4 

6. 
Wind Supported Aerial Delivery System (WSADS) Snow Goose 

EQUIPMENT REQUIRED 

6-8. Use the equipment listed below in Table 6-1 to rig this load. 

Note. Along with the equipment list, it is recommended that an air drop kit with the following 

contents be added: (Braided Dacron lanyards, pyrotechnic cutters, propeller brakes, masking 

tape, cotton wadding and ticket 5). 

Table 6-1. Equipment Required for Rigging the WSADS Snow Goose. 

Item Quantity 

WSADS Battery Charger 

Mission Planner (MP) file created with the MP software 

Suitable computer with MP software installed 

Flight Termination Device (FTD) 

MP cable 

WSADS Tool Kit 

High Mobility Multipurpose Wheeled Vehicle (HMMWV), fitted 

with Launch Control Box (LCB) and a mounted Ground Launch 

Bracket (GLB) 

Hand Held Remote Control Unit (HRCU) 

Yellow Dispatch Pin 

Link, Rapide, medium 

Link, Rapide, small 

1 

1 

1 

1 

1 

1 

1 

1 

1 

1 

3 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 6-21 
This page intentionally left blank. 
Glossary 

AC Aircraft 

AFB Air Force Base 

AFMAN (I) Air Force Manual Interservice 

AFSOC Air Force Special Operations Command 

AFTO Air Force technical order 

AMC Air Mobility Command 

ARC advanced rescue craft 

ARNG Army National Guard 

attn attention 

AGU Airborne Guidance Unit 

C change 

CB center of balance 

CEP combat expendable platform 

CRRC combat rubber raiding craft 

d penny 

DA Department of the Army 

DC District of Columbia 

DD Department of Defense 

diam diameter 

DP Dispatch Point 

EFTC extraction force transfer coupling 

EMM Engine Management Module 

EZ Electrical Zero 

FAA Federal Aviation Administration 

FM Field Manual 

FOD Foreign Object Debris 

ft foot/feet 

FTD Flight Termination Device 

Gal gallon 

GLB Ground Launch Bracket 

GPS global positioning system 

HQ headquarters 

HSLLADS high-speed, low-level, aerial delivery system 

HMMWV High Mobility Multipurpose Wheeled Vehicle 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 Glossary-1 
Glossary 

Hp Horse Power 

HRCU Hand Held Remote Control Unit 

in inch 

JAI joint airdrop inspector 

LAW light anti-tank weapon 

lb Pound 

LCB Launch Control Box 

LPU life preserver, underarm 

LCSM Life Cycle Sustainment Manager 

LOS Line of Sight 

LV low-velocity 

LVAD low-velocity airdrop 

MADS maritime aerial delivery system 

MARS marine amphibious reconnaissance submersible 

MCRP Marine Corps Reference Publication 

mm millimeter 

MMIST Mist Mobility Integrated Systems Technologies Inc. 

MP Mission Planner 

NAVSEA Naval Sea Systems Command 

no number 

NSN national stock number 

NSW RIB Naval Special Warfare Rigid Inflatable Boat 

psi pounds per square inch 

qty quantity 

RAMZ rigging alternate method zodiac 

rqr requirement 

SCUBA self contained breathing apparatus 

sec second 

SOP standing operating procedure 

STS special tactics squadron 

TM technical manual 

TO technical order 

TRADOC US Army Training and Doctrine Command 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

Glossary-2 19 September 2007 
Glossary 

UAV Unmanned Aerial Vehicle 

US United States 

USAR US Army Reserve 

w with 

WAPR water-activated parachute release 

WSADS Wind Supported Aerial Delivery System 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 Glossary-3 
This page intentionally left blank. 
References 

AR 59-4/OPNAVINST 4630. 24C/AFJ 13-210(I)/MCO 13480.1B. Joint Airdrop Inspection Records, 

Malfunction Investigations and Activity Reporting. 1 May 1998. 

AFMAN 24-204 (I)/TM 38-250/NAVSUP PUB 505/MCO P4030.19I/DLAI 4145.3. Preparing 

Hazardous Materials for Military Air Shipments. 15 April 2007. 

FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO-010/TO 13C7-1-5. Airdrop of Supplies and 

Equipment: Rigging Airdrop Platforms. 8 June 2006. 

FM 4-20.103/MCRP 4-11.3C/TO 13C7-1-11. Airdrop of Supplies and Equipment: Rigging Containers. 

2 September 2005. 

FM 4-20.108/TO 13C7-2-491. Airdrop of Supplies and Equipment: Rigging Military Utility Vehicles. 

10 September 2007. 

FM 4-20.153/MCRP 4-11.3B/TO 13C7-18-41. Airdrop of Supplies and Equipment: Rigging 

Ammunition. 23 October 2006. 

Snow Goose Operator Manuel LOS Flight Termination Device (04133 OPM). 

Snow Goose Post Flight Procedure (035429 URG). 

Snow Goose Ground Launch Procedure with the Flight Termination Device (41052 URG). 

TM 10-1670-286-20/TO 13C5-2-41. Unit Maintenance Manual for Extraction Line Panel (Including 

Stowing Procedures) (NSN 1670-01-183-2678). 15 March 2001. 

TM 10-1670-268-20&P/TO 13C7-52-22. Organizational Maintenance Manual (Including Repair 

Parts and Special Tools List) for the Type V Airdrop Platform and Dual Row Airdrop 

Platform. 15 September 2002. 

TM 10-1670-277-23&P/TO 13C5-28-2/NAVAIR 13-1-30. Unit and Direct Support Maintenance 

Manual (Including Repair Parts and Special Tools List) for Parachute, Cargo Type: 28-Foot 

Diameter, Cargo Extraction Parachute Assembly (NSN 1670-00-040-8135). 30 April 2002. 

TM 10-1670-278-23&P/TO 13C5-26-2/NAVAIR 13-1-27/TM 01109C-23&P/1. Unit and 

Intermediate Direct Support (DS) Maintenance Manual (Including Repair Parts and Special 

Tools List) for Parachute, Cargo Type: 15-Foot Diameter, Cargo Extraction Parachute (NSN 

1670-01-063-3715 and 1670-00-052-1548). 31 December 2004. 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

19 September 2007 References-1 
References 

TM 10-1670-279-23&P/TO 13C5-27-2/NAVAIR 13-1-28. Unit and Intermediate Direct Support (DS) 

Maintenance Manual (Including Repair Parts and Special Tools List) for Parachute, Cargo 

Type: 22-Foot Diameter, Cargo Extraction Parachute (NSN 1670-01-063-3716 and 

1670-00-687-5458). 30 August 1989. 

TM 10-1670-281-23&P/TO 13C5-32-2/NAVAIR 13-1-32. Unit and Intermediate Direct Support (DS) 

Maintenance Manual (Including Repair Parts and Special Tools List) for Parachute, Cargo Type: 

64-Foot Diameter, Model G-12D, (NSN 1670-00-893-2371) and Model G-12E, 

(1670-01-065-3755). 1 October 1990. 

TM 10-1670-293-23&P/TO 14D1-2-467-2/TM 01136C 23&P/2. Unit and Intermediate Direct 

Support (DS) Maintenance Manual (Including Repair Parts and Special Tools List) for 

Parachute, Personnel Type: 35-Foot Diameter, T-10C Troop Back Parachute Assembly 

(NSN 1670-01-248-9502); 35-Foot Diameter, T-10D Troop Back Parachute Assembly 

(1670-01-484-2234). 30 August 2001. 

TM 10-1670-296-20&P/TO 13C7-49-2. Unit Maintenance Manual (including repair parts and 

special tools list) for Ancillary Equipment for Low-Velocity Air Drop System (LVADS) Line, 

Multi-Loop (Extraction Lines, Deployment Lines, Bag Clustering Lines, Riser Extension, 

Suspension Slings) (NSN 1670-01-062-6301) (1670-01-062-6306) (1670-01-062-6304) 

(1670-01-062-6305) (1670-01-062- 6311) (1670-01-063-7760) (1670-01-062-6310) (1670-

01-062-6303) (1670-01-062-6307) (1670-01-062-6312) (1670-01-063-7761) (1670-01-062- 

6308) (1670-01-062-6302) (1670-01-064-4453) (1670-01-107-7651) (1670-01-062-6309) 

(1670-01-064-4451) (1670-01-064-4452) (1670-01-107-7652) Coupling, Extraction Force 

Transfer: (1670-00-434-5783) (1670-00-434-5785) (1670-00-434-5787) (1670-00-434-5782) 

(1670-01-326-7309) Release, Cargo Parachute, M-1: (1670-01-097-8816) Release, Cargo 

Parachute, M-2: (1670-01-097-8817) Link Assembly, Single Suspension, Type IV: (1670-00-

783-5988) Assembly, Heavy Duty: Link, 4-Point: (1670-00-006-2752) Cover, Link, Type IV: 

(1670-01-360-0329) Clevis, Aerial Delivery: (4030-00-360-0304) (4030-00-678-8562) 

(4030-00-090-5354) (4030-00-432-2516) Cover, Clevis: (1670-00-360-0328) Strap, 

Parachute Release, Single Knife (1670- 00-998-0116) Strap, Parachute Release, Multi-Knife: 

(4340-00- 040-8219) Link Assembly, Coupling, 3-Point: (1670-01-307-0155) Bracket, 

Suspension: (1670-01-207-7223) Bracket, Suspension: (1670-00-078-4319) Plate, 

Suspension: (1670-01-141-1522) Tiedown, Cargo, 10k: (1670-00-937-0271) Tiedown, 

Cargo, Quick-Release: (1670-01-333-6082) Tiedown, Cargo, Aircraft: (1670-00-545-9063) 

Drive Off Aid, Type IV: (1670-01-344-0825) Link, 2-Point, 3 3/4-In: (1670-01-493-6418) 

Link, 2-Point, 5 1/2-In: (1670-01-493-6420) Break Away Static Line, Main: (1670-01-487-

5461) Jettison System, Parachute, Extraction: (1670-01-475-1990) {TO 13C7-49-2}. 

30 October 2002. 

AFTO Form 22, Technical Order Publication Improvement Report. 

DA Form 2028, Recommended Changes to Publication and Blank Forms. 

FM 4-20.142/MCRP 4-11.3P/NAVSEA SS400-AD-MMO-010/ TO 13C7-51-21 

References-2 19 September 2007 
FM 4-20.142 (FM 10-542)

MCRP 4-11.3P 

NAVSEA SS400-AD-MMO-010 

TO 13C7-51-21 

19 September 2007 

By Order of the Secretary of the Army and the Air Force: 

 GEORGE W. CASEY, JR

 General, United States Army

 Chief of Staff 

Official: 

 JOYCE E. MORROW 

Administrative Assistant to the 

 Secretary of the Army 

 0724103 

 

BRUCE CARLSON T. MICHAEL MOSELEY

 General, USAF General, USAF

Commander, AFMC Chief of Staff

By Direction of the Commandant of the Marine Corps: 

JAMES F. AMOS 

Lieutenant General, U.S. Marine Corps 

Deputy Commandant 

Combat Development and Integration 

By Direction of the Program Executive Officer of Littoral and Mine Warfare of the Navy: 

JAMES E. THOMSEN

Program Executive Officer, 

Littoral and Mine Warfare 

U.S. Navy 

DISTRIBUTION: 

Active Army, Army National Guard, and U.S. Army Reserve: To be distributed in accordance with the initial 

distribution number 110924, requirements for FM 4-20.142. 
MCN: 144 000164 00 PIN: 084329-000