Sling Load Inspector Certification Course

What is the suspension web sequence for the A-22 CARGO BAG?

1, 2, 3, 4 clockwise or counterclockwise

What is the lifting leg sequence for CARGO NETS when rigging the load?

1, 3, 4, 2

What is the sling leg numbering sequence for a load with six sling legs?

1, 3, 5, 6, 4, 2

The nine flight and landing aircraft formations are

1. Heavy Left 2. Heavy Right 3. Vee 4. Echelon Left 5. Echelon Right 6. Staggered Trail Left 7. Staggered Trail Right 8. Trail 9. Diamond

The obstacle ratio for daytime operations when determining usable and unusable area.

10:1

Cargo Hook Reach Pendant (Short) Rated Capacity

11,000 lbs

3x Medium Clevis Rated Capacity

11,250 lbs

Total Number of Chain Links on a 10,000 lb Sling Set

110-115

Weight of the 25,000 lb Sling Set

114 lbs

Sling Leg Length of the 10,000 lb Sling Set

12 ft

Sling Leg Length on a 25,000 lb Sling Set

12 ft

Static electricity can jump at up to what distance?

12 inches

What is the maximum authorized length variation of the sling legs on a three (3) leg single-point load?

12 inches

2x 25,000 lb (25K) Sling Leg Rated Capacity

12,500 lbs

Large Clevis Rated Capacity

12,500 lbs

Type IV Connector Link Rated Capacity

12,500 lbs

5,000 lb Cargo Net Volume Capacity

125 cubic ft

Diameter of Landing Point Size 6

125 meters

The obstacle ratio for nighttime operations when determining usable and unusable area

14:1

5,000 lb Cargo Net Size

15' x 15'

4x Medium Clevis Rated Capacity

15,000 lbs

2x Large Clevis Rated Capacity

15,750 lbs

Diameter of Landing Point Size 7

150 meters

Do not hold the discharge wand within how many inches of the metal hook end?

16 inches

CH-47D Fore/Aft Cargo Hook Capacity

17,000 lbs

10,000 lb Cargo Net Size

18' x 18'

3x 25,000 lb (25K) Sling Leg Rated Capacity

18,750 lbs

In what order of the sequence is this sling leg?

2

Sling Leg F

2

UH-1H/UH-1N Flight Time

2 hours, 20 minutes

UH-60A/UH-60L/M Flight Time

2 hours, 20 minutes

CH-47D Flight Time

2 hours, 30 minutes

The signalman is positioned where if the aircraft emergency landing procedure is to the LEFT?

2 o'clock

Daytime distance between aircraft in flight

2 to 3 rotor disks

What type of tape is used during rigging of typical sling load operations?

2" Pressure Sensitive Tape

Breakaway ties are made of either

2" pressure sensitive tape or 1/4" cotton webbing

A-22 Cargo Bag Maximum Capacity

2,200 lbs

1x 10,000 lb (10K) Sling Leg Rated Capacity

2,500 lbs

3x Large Clevis Rated Capacity

23,625 lbs

How deep should the grounding rod be inserted into sandy or loose soil?

24 inches

Diameter of Landing Point Size 1

25 meters

CH-47D Tandem Cargo Hook Capacity

25,000 lbs

Cargo Hook Reach Pendant (Long) Rated Capacity

25,000 lbs

Two-Point Link Assembly Rated Capacity

25,000 lbs

CH-47D Center Cargo Hook Capacity

26,000 lbs

In what order of the sequence is this sling leg?

3

Sling Leg B

3

Nighttime distance between aircraft in flight

3 to 5 rotor disks

4x Large Clevis Rated Capacity

31,500 lbs

Diameter of Landing Point Size 2

35 meters

10,000 lb Cargo Net Volume Capacity

380 cubic ft

In what order of the sequence is this sling leg?

4

Sling Leg E

4

UH-1H Cargo Hook Capacity

4,000 lbs

Wind direction within this many degrees left or right of land heading is considered to be a head wind.

45 degrees

In what order of the sequence is this sling leg?

5

Sling Leg C

5

Aircraft will not be able to land in a tail wind that exceeds

5 knots

5,000 lb Cargo Net Load Zone Area

5 square ft

2x 10,000 lb (10K) Sling Leg Rated Capacity

5,000 lbs

5,000 lb Cargo Net Rated Capacity

5,000 lbs

CGU-1/B Rated Capacity

5,000 lbs

Silver Load Binder Rated Capacity

5,000 lbs

UH-1N Cargo Hook Capacity

5,000 lbs

If the ground at a landing site can support a ______________ vehicle, then a ____________ helicopter is supported.

5-ton; Size 1-5

If the ground at a landing site can support a ______________ vehicle, then a ____________ helicopter is supported.

5-ton; Size 3-5

Diameter of Landing Point Size 3

50 meters

A-22 Cargo Bag Minimum Capacity

500 lbs

Minimum Capacity for Any Sling Load

500 lbs

Weight of the 10,000 lb sling set

52 lbs

Type III (3) Nylon Cord Rated Capacity

550 lbs

5,000 lb Cargo Net Weight

58 lbs

A-22 Cargo Bag Weight

58 lbs

In what order of the sequence is this sling leg?

6

Sling Leg D

6

10,000 lb Cargo Net Load Zone Area

6 square ft

5,000 lb Cargo Net Mesh Width

6"

1x 25,000 lb (25K) Sling Leg Rated Capacity

6,250 lbs

Medium Clevis Rated Capacity

6,250 lbs

Small Clevis Rated Capacity

6,250 lbs

How deep should the grounding rod be inserted into firm ground?

6-8 inches

What is the distance between lights in the Inverted "Y" light formation?

7 meters from base to directional 14 meters from end-to-end in the left stem 14 meters from base to left stem

2x Medium Clevis Rated Capacity

7,500 lbs

2x Small Clevis Rated Capacity

7,500 lbs

3x 10,000 lb (10K) Sling Leg Rated Capacity

7,500 lbs

10,000 lb Cargo Net Mesh Width

7.5"

10,000 lb Sling Set Diameter/Width

7/8"

Chain Length on a 10,000 lb Sling Set

8 ft

Chain Length on a 25,000 lb Sling Set

8 ft

UH-60A Cargo Hook Capacity

8,000 lbs

Type I (1), 1/4-Inch Cotton Webbing Rated Capacity

80 lbs

Diameter of Landing Point Size 4

80 meters

Total Number of Chain Links on a 25,000 lb Sling Set

84-88

Aircraft will not be able to land in a cross wind that exceeds

9 knots

UH-60L/M Cargo Hook Capacity

9,000 lbs

10,000 lb Cargo Net Weight

96 lbs

10,000 lb Cargo Net Color

Black

Sling Leg Color on a 25,000 lb Sling Set

Black

Component 1

Bolt and Lock Nut

The grabhook assembly should be inspected for the presence of what components?

Bolt and locknut; snap ring

Rigging a 5,000 lb (5K) cargo net with a grab hook link count of three (3) creates a unique load.

False

The number 2 aircraft is to the LEFT of the number 1 aircraft in a HEAVY LEFT formation

False

TM 4-48.09

Multiservice Helicopter Sling Load: Basic Operations and Equipment

TM 4-48.11

Multiservice Helicopter Sling Load: Dual-Point Load Rigging Procedures

TM 4-48.10

Multiservice Helicopter Sling Load: Single-Point Load Rigging Procedures

WHATF: "W" Factor

Wind

Is the cargo hook manual release on the UH-60 reachable by the ground crew?

Yes

Rule of the Apex: Is the 10,000 lb (10K) APEX SPACER compatible with the CH-47D?

Yes

Rule of the Apex: Is the 10,000 lb (10K) APEX SPACER compatible with the UH-60A/L/M?

Yes

Rule of the Apex: Is the TYPEXXVI Nylon Webbing Apex (in donut or basket hitch configuration) compatible with the UH-1H/N?

Yes

Rule of the Apex: Is the 25,000 lb (25K) APEX SPACER compatible with the CH-47D?

Yes; use of the spacer on this aircraft is OPTIONAL.

Component 7

Yoke

TEAM: "M" Factor

Mission

In what order of the sequence is this sling leg?

1

Sling Leg A

1

25,000 lb Sling Set Diameter/Width

1 1/4"

If the ground at a landing site can support a ______________ vehicle, then a ____________ helicopter is supported.

1 1/4-ton; Size 1 or Size 2

How does an inspector simplify the DA Form 7382?

1. Write A L S on the outer and upper righthand side of the form. 2. Circle blocks 3 and 5. 3. Carry over the blocks with X's in the rigger's column to the inspector's column. 4. Fill out all of block 12 except for the signature.

Each sling leg has a rated capacity of how much of the total capacity of the set?

1/4

What is the distance between lights in the "T" light formation?

10 meters each from base to directional and between points on the left stem

The signalman is positioned where if the aircraft emergency landing procedure is to the RIGHT?

10 o'clock

10,000 lb Cargo Net Rated Capacity

10,000 lbs

15-Foot Tie-Down Strap Rated Capacity

10,000 lbs

Black Load Binder Rated Capacity

10,000 lbs

Type XXVI (26) 3-Foot, 2-loop Nylon Webbing Rated Capacity

10,000 lbs

Diameter of Landing Point Size 5

100 meters

CATS: "A" Category

A-22 Cargo Bag

CATS

Acronym used to determine under which circumstances sling leg variation is authorized at six (6) inches.

ACL

Allowable Cargo Load

WHATF: "A" Factor

Altitude

TEAM: "E" Factor

Amount of Equipment

Landing Zone (LZ)

Any area used for rotary wing flight operations

Obstacle

Anything 18" high, wide, deep or larger

What section of the Sling Load Inspector Handbook contains a list of commonly found sling load deficiencies?

Appendix G

CATS Categories

C: Cargo Nets A: A-22 Cargo Bag T: Tandem Load S: Single-Point Load with TWO (2) Sling Legs

Type of Helicopter or Operation Supported on Landing Point Size 4

CH-47/CH-53/H-3

CATS: "C" Category

Cargo Nets

The three types of loads

Certified Suitable Unique

What type of lights must be used if pilots are using Night Vision Goggles (NVGs)?

Chemlights or beacon lights

What is the distro order for the DA Form 7382?

Copy #1 goes to the supporting aviation unit. Copy #2 is secured to the load itself. Copy #3 goes to the supported unit.

Component 5

Coupling Link

Daytime distance between aircraft in landing points

Determined by aircraft touchdown point size

Nighttime distance between aircraft in landing points

Determined by aircraft touchdown point size

In heavy formations the distance between the first and third aircraft is

Doubled

Sling Leg chains are marked at what interval?

Every 10 links

Component 6

Eye

(Vertical Distance x 57.3)/(Horizontal Distance)

Formula for determining ground slope

(12500 x number of attachment points) x (0.63)

Formula for large clevis conversion

(6250 x number of attachment points) x (0.60)

Formula for small/medium clevis conversion

Nighttime Angle of Approach at a landing zone must be no more than this amount for inbound aircraft.

Four (4) degrees

WHATF: "F" Factor

Fuel

Hookup Team Protective Equipment

Goggles, Ear Plugs, Leather Gloves, Shockproof Gloves, Helmet, Static Discharge Wand with Grounding Rod, Flashlight with Wand (for night operations)

Wind direction within 45 degrees left or right of land heading is considered to be a:

Head wind

HLZ/PZ

Helicopter Landing Zone/Pickup Zone

Component 4

Hook

Which hand and arm signal may be used as a transitional signal?

Hover

WHATF: "H" Factor

Humidity

IIF

If it fits

Rule of the Apex: Is the CARGO HOOK REACH PENDANT compatible with the CH-47D?

If it fits

Rule of the Apex: Is the CARGO HOOK REACH PENDANT compatible with the UH-60A/L/M?

If it fits

Rule of the Apex: Is the TOP EYELET OF THE SLING LEG compatible with the CH-47D?

If it fits

Rule of the Apex: Is the TOP EYELET OF THE SLING LEG compatible with the UH-60A/L/M?

If it fits

How is the grounding rod applied?

In the ground at a 45 degree angle away from the hookup team?

Who receives Copy #2 of the DA Form 7382?

It is attached to the load

Certified Loads

Items of equipment and associated rigging procedures rigged in accordance with the US Army Natick Soldier Center

Component 3

Keeper

Suitable Loads

Loads that are not explicitly certified by the Natick Soldier Center but are demonstrated to have acceptable static lift and flight characteristics

Landing Sites should avoid

Locations that are constricted by terrain to the point of requiring Vertical Takeoff and Landing

Type of Helicopter or Operation Supported on Landing Point Size 6

Long Line Sling Load Operations

In what order are loads of the same height but varying weight attached to the cargo hooks of the CH-47?

Medium, Heavy, Light

How many flight and landing formations are there?

Nine (9)

Rule of the Apex: Is the 25,000 lb (25K) APEX SPACER compatible with the UH-60A/L/M?

No

Rule of the Apex: Is the CARGO HOOK REACH PENDANT compatible with the UH-1H/N?

No

Rule of the Apex: Is the TOP EYELET OF THE SLING LEG compatible with the UH-1H/N?

No

Rule of the Apex: Is the TYPE XXVI Nylon Webbing Apex (in donut or basket hitch configuration) compatible with the CH-47D?

No

Rule of the Apex: Is the TYPEXXVI Nylon Webbing Apex (in donut or basket hitch configuration) compatible with the UH-60A/L/M?

No

Rule of the Apex: Is the 10,000 lb (10K) APEX SPACER compatible with the UH-1H/N?

No. The Type XXVI Nylon Webbing Apex must be used for this aircraft.

Rule of the Apex: Is the 25,000 lb (25K) APEX SPACER compatible with the UH-1H/N?

No. The Type XXVI Nylon Webbing must be used for this aircraft.

TEAM: "A" Factor

Number of Aircraft

Type of Helicopter or Operation Supported on Landing Point Size 1

OH-6/OH-58

5,000 lb Cargo Net Color

Olive Drab

Sling Leg Color on a 10,000 lb Sling Set

Olive Drab

Breakaway ties should wrap around the sling legs how many times?

Once

Component 8

Pin

PQDR

Product Quality Deficiency Report

What clock positions relative to the aircraft should be avoided at all times?

Rear of the 8 o'clock and 4 o'clock positions

TM 4-48.09, Appendix D

Reference material covering the fabrication of a field-expedient static discharge wand

On which side is the cargo hook manual release located on the UH-60 model helicopters?

Right side of the aircraft

In a landing zone, the direction of flight should

Run along the longest axis

When using a VS-17 marking panel to mark an obstacle, what safety consideration should be made?

Securing the VS-17 panel to the obstacle, the ground, or another object to prevent it from flying into an aircraft.

Daytime Ground Slope must be equal to or less than this amount without notifying aviation unit for confirmation.

Seven (7) degrees

Aircraft approaches to Landing Sites

Should be along the longest axis and over the lowest obstacle

Landing sites for supply or resupply

Should be co-located with the on-ground short-term or long-term supply storage sites, so as to mitigate the need to further move delivered cargo

Aircraft exits from Landing Sites

Should exit into the wind

What is the first step of filling out the DA Form 7382?

Simplify the form

CATS: "S" Category

Single-Point Load with TWO (2) Sling Legs

Unique Loads

Single-use or low-frequency loads that are considered high-risk.

Daytime Angle of Approach at a landing zone must be no more than this amount for inbound aircraft.

Six (6) degrees

How many hand and arm signals are used during sling load operations?

Sixteen (16)

Type of Helicopter or Operation Supported on Landing Point Size 5

Sling Load Operations

Type of Helicopter or Operation Supported on Landing Point Size

Sling Load Operations Using Night Vision Goggles (NVGs)

Component 9

Spacer

Component 2

Spring

Under what conditions is it acceptable to use infrared (IR) marking devices?

Tactical situations

CATS: "T" Category

Tandem Loads

WHATF: "T" Factor

Temperature

TEAM: "T" Factor

Terrain

"One and three, gotta be..."

The first and third lifting legs on a load must alternate in direction from one another.

Daytime marking signal for landing points

The "T" light formation

When using the Type XXVI Nylon Webbing Apex in the nylon donut configuration, at what position should the Type IV Connector Link be placed?

The 3 o'clock or 9 o'clock position

Who is the final authority to change the load order on a CH-47?

The Air Crew

The Hook Up Team consists of

The Hook Up Man and the Static Probe Man

What happens if a breakaway tie is wrapped around a sling leg more than once?

The breaking strength of that tie is increased

Landing points are measured from

The center of one landing point to the center of another

WHATF

The five factors that determine the aircraft's allowable cargo load (ACL)

TEAM

The four main factors in determining the number of landing points at a landing site.

"... Two and four, either or."

The fourth and second lifting legs on a load must alternate in direction from one another, relative to the direction of the third lifting leg.

If an obstacle cannot be removed or reduced, what must happen?

The obstacle must be marked using a "high visibility" method

What should be done if a grabhook assembly is found to have a roll pin?

The roll pin should be drilled out with a 13/64" diameter drill bit and replaced with a bolt and locknut

Who selects the location of helicopter landing sites to best support the operation?

The supported or receiving unit commander with advice from the aviation unit liaison officer

Who receives Copy #3 of the DA Form 7382?

The supported unit

Who receives Copy #1 of the DA Form 7382?

The supporting aviation unit

A-22 Cargo Bag Link Count

Three (3)

Nighttime Ground Slope must be equal to or less than this amount without notifying aviation unit for confirmation.

Three (3) degrees

Why is the grounding rod applied at a 45 degree angle?

To avoid accidental impalement

Why is the Type XXVI Nylon Webbing Apex used on the UH-1 model helicopter?

To avoid metal-on-metal frictional contact when hooking up and delivering the load

Why is the Type IV Connector Link placed at the 3 o'clock or 9 o'clock position when used in the nylon donut configuration?

To avoid metal-on-metal frictional contact with the aircraft cargo hook

Purpose of Sling Load Minimum Capacity Weight

To prevent the sling load from dragging rearward and making contact with the tail rotor of the aircraft.

Every attempt should be made to remove or reduce obstacles in a landing zone.

True

If the ground supports a 5-ton truck, the landing point can support a size 4 helicopter.

True

Number 1 landing point can be marked with a code letter "T" during nighttime operations.

True

The number 2 aircraft is to the RIGHT of the number 1 aircraft in a HEAVY LEFT formation

True

The signal man must maintain direct eye contact with the pilot at all times during sling load operations

True

Type of Helicopter or Operation Supported on Landing Point Size 2

UH-1/H-65

Type of Helicopter or Operation Supported on Landing Point Size 3

UH-60/H-2

Cellulose Webbing

Used to pad and protect breakable and sensitive items in a load

2" masking tape

Used to shatterproof glass on vehicle loads

The #1 and #2 sling legs are always the...

outermost and forward sling legs