Phase 2 Flashcards
Basic Operations and Equipment reference
TM 4-48.09
Single-Point Load Rigging Procedures reference
TM 4-48.10
Dual-Point Load Rigging Procedures reference
TM 4-48.11
Airborne and Air Assault Operations reference
FM 3-99
Pathfinder Operations reference
FM 3-21.38
external sling loads used when: (4)
- cargo compartment can’t hold load
- load exceeds A/C’s internal load limit
- ground crew must load/unload cargo at once
- landing zone conditions prevent A/C touchdown
advantages of sling load (6)
- allows rapid movement of heavy equipment/ emergency supplies directly to user
- rapid relocation of supplies/ equipment
- ability to bypass surface obstacles
- use of multiple flight routes + landing sites enhances sustainability + security of ground units
- establishment of multiple landing sites supports maneuvering unit requirements
- greater movement flexibility for ground commander to accomplish tactical mission
limitations of sling load (7)
- load of weight restricted to A/C’s operating ability
- load instability may restrict A/C speed/maneuvering
- adverse weather/darkness (low visibility)
- atmospheric conditions affect A/C lift capacity
- limited # of A/C available for sling load missions
- landing site conditions may restrict operations
- landing site size must increase w/reduced visibility
actual maximum weight is determined by what factors? (7)
fuel
distance to be flown
density altitude
temperature
altitude
humidity
airframe
ACL for external loads UH-60A
8,000 lbs
ACL UH-60L/M
9,000 lbs
ACL CH-47 (all hooks + dual)
front = 17,000 lbs
rear = 17,000 lbs
center = 26,000 lbs
dual front+rear = 25,000 lbs
cargo hook release UH-60
- pilot/ crew chief can release electronically
- manual release lever on right side
cargo hook release CH-47D
- pilot/ crew chief can release all hooks electronically
- crew can release all hooks manually from inside
-fore + Aft hooks have manual release knob on right; turn counter-clockwise to activate; 13 ft. apart
3 units involved in sling load operation
- supported unit
- aviation unit
- receiving unit
supported unit duties (8)
- selecting, controlling PZ
- ordering all needed equipment for sling load
- storing, inspecting, maintaining all S/L equipment
- providing trained ground crews
- securing/ protecting all sensitive items
- providing load dispositions to aviation+receiving units
- verifying load weight (include rigging equipment)
- designate safe rendezvous point
aviation unit duties (5)
- establish coordination w/ supported+receiving units
- advise supported unit on load limitations
- advise supported+receiving on selected LZ’s/PZ’s
- provide assistance in recovery/return of equipment
- establish safety procedures+ flight/ground crew jobs
who makes the final decision on whether the cargo will be moved?
pilots
receiving unit duties (4)
- select, prepare, control LZ
- provide trained ground crews to guide+de-rig loads
- coordinate w/supporting unit for equipment return
- inspect rigging of back loads (returning)
both 10,000 and 25,000 lb sling sets consist of:
metal apex fitting assembly
four sling leg assemblies
aviator’s kit bag
weight of 10,000 lb set rope
52 pounds (w/4 sling leg assemblies)
weight of 25,000 lb set rope
114 pounds (w/4 sling leg assemblies)
characteristics of 10,000 lb set rope (4)
- double-braided nylon
- olive drab (green) colored
- 7/8 inch diameter
- 12 feet long
characteristics of 25,000 lb set rope (4)
- double-braided nylon
- black colored
- 1 1/4 inch diameter
- 12 feet long
how many chain links on 10,000 lb set chain
110-115
how many chain links on 25,000 lb set chain
84-88
what color is 10,000 lb set apex
dull gray aluminum
what color is 25,000 lb set apex
gold colored steel
how often should sling sets be inspected
before + after each use or every 6 months
inspect metal portions for: (7)
rust
nicks
burrs
cracks
dents
metal distortion
proper operation
inspect nylon portion for: (4)
grease
oil
acid
foreign matter
true or false: equipment should air dry by laying out in the sun
false; never dry out in sun or wring water out
rated capacity pressure-sensitive tape
80 lbs per wrap
rated capacity type III nylon
550 lbs
rated capacity 1/4 inch cotton webbing
80 lbs
rated capacity 3/8 inch hemp rope
3,180 lbs
rated capacity 7/16 inch nylon rope
4,500 lbs
rated capacity CGU-1B
5,000 lbs
uses for pressure-sensitive tape
shatterproof glass + plastic
padding material
secure excess
can be used as a breakaway but not usually used
uses for type III nylon
permanent tie
secure portions of different loads
uses for 1/4 inch cotton webbing
breakaway material
use for 3/8 inch hemp rope
used to secure items in place of 7/16 inch nylon rope
use for 7/16 inch nylon rope
used as a collar on the Cargo net
secure items
rapelling
hip rappel seats
use for CGU-1B
secure 2 items together
secure cargo in vehicles/ trailers
uses for static discharge wand
protect hookup person from static electricity
type III nylon physical characteristics (3)
white
round
smooth to the touch
1/4 inch cotton webbing physical characteristics (3)
white
flat
rough to the touch
the….. loop of the static discharge wand goes towards the load
large
rated capacities of cargo hook reach pendants
11,000 or 25,000 lbs
7 clevises
large
medium
small
5/8 inch
small screw pin
platform
net apex fitting
rated capacity large clevis
12,500 lbs
rated capacity medium clevis
6,250 lbs
rated capacity small clevis
6,250 lbs
rated capacity 5/8 inch screw pin clevis
4,420 lbs
rated capacity small screw pin clevis
8,650 lbs
rated capacity platform clevis
7,000 lbs
rated capacity net apex fitting
10,000 lbs
use of large clevis
used as field expedient apex
use of medium clevis
A-22 cargo bag
use of small clevis
used as lift point
use of 5/8 screw pin clevis
used as lift point on 500 lb fuel blivets
use of platform clevis
used on Air Force pallets
use of net apex fitting
used on 5,000 lb and 10,000 lb cargo nets
rated capacities of 15 ft. tie down straps
5,000 and 10,000 lbs
use of 15 ft. tie down straps
secures cargo in vehicles + trailers
used in conjunction w/ silver load binder
rated capacity of silver load binder
5,000 lbs
rated capacity of black load binder
10,000 lbs
uses of silver load binder
secure lashing straps on the 15 ft. tie down
locking device
medium clevis is hand or wrench tight
hand
rated capacity of 1/2 inch tubular nylon
1,000 lbs
rated capacity Aerial Delivery Sling (ADS)
10,000 lbs
rated capacity Type IV connector link
12,500 lbs
use of 1/2 inch tubular nylon
1,000 lbs
use of ADS Type XXVI multi-loop line
used in construction w/ Type IV connector link to construct a 3’ apex ring
use of Type IV connector link
-used to construct 3’ apex ring
-connect ADS slings
unserviceable criteria (6)
- 3 or more consecutive loose/broken stitches OR 5 loose/broken stitches in the same area
- petroleum/rust/mildew unremovable stains
- any cuts
4.excessively worn/frayed
- missing cotton buffers
- missing keepers
General 3 personnel required for S/L operation
- signal person
- static wand person
- hookup person
all ground crew personnel will wear the following equipment (6):
- ACH, chinstrap fastened
- goggles
- earplugs
- gloves
- sleeves rolled down and buttoned
- ID card and tags
where does the ground crew move to in an emergency?
pre-designated rendezvous point
UH-60 requires an….. when using a 10,000 apex
aluminum spacer
CH-47 has no special…….. requirement
apex
the apex will ALWAYS be configured with the pin facing…..
up (towards aircraft)
when using a 25K sling set on the UH-60, the…………must be removed
aluminum spacer
stay away from the….. of all aircraft
tail rotor
stay away from the……of the CH-47
main exhuast
pre-determined location of the rendezvous point is determined during the…..
air mission brief
three phases of a sling load operation
- Preparation and Rigging
- Inspection
- Sling Load Operation itself
what occurs during the Preparation and Rigging phase
loads are prepared + rigged IAW the proper manuals
what occurs during the Inspection phase
-loads inspected by qualified individual
-loads inspected minimum of 2 times
who is qualified to inspect a sling load
-pathfinder school graduate
-SLICC graduate
-Air Assault graduate E4 or above
true or false: the individuals who rigged the load can inspect it if available time is minimal
false; individuals who rigged the load cannot inspect the same load
what form is required to be used during sling load inspections
DA 7382
how many copies of DA 7382 need to be filled out during each inspection and where do they go
3; one for aviation unit, one secured to load, one for supported unit
what are the 4 classifications of sling loads
- certified
- suitable
- unique
- prohibited
all certified sling loads are certified through…….
US Army Natick
true or false: a prohibited sling load can fly as long as the pilot gives the proper authorization
false; prohibited sling loads can never fly
3 Factors of In-Flight Stability
- Proper Weight
- Proper Drag Surface
- Proper Air Speed
aspects of Proper Weight factor
- minimum of 500 lbs
-max dependent on A/C
aspects of Proper Drag Surface factor
- nose down altitude w/proper link count
- aerodynamic
aspects of Proper Air Speed factor
determined by aviation unit commander (if not, pilot)
the minimum weight of any sling load is…..
500 lbs
ways to increase in-flight stability (5)
- increase weight of load
- redistribute weight (load plan)
- alter drag surface (link count)
- install drogue chute
- reduce airspeed
what is the least preferred method to increase in-flight stability
reduce airspeed
how many breakaway ties does the cargo net have
3
what is the link count for the 5,000 lb cargo net
3
what is the link count for the 10,000 lb cargo net
3
what’s the load bearing zone of the 5,000 lb cargo net
5 ft x 5 ft
what is the load bearing zone of the 10,000 lb cargo net
6 ft x 6 ft
size of 5,000 lb cargo net
15 ft x 15 ft
size of 10,000 lb cargo net
18 ft x 18 ft
color of 5,000 lb cargo net
OD green (new)
yellow (used)
color of 10,000 lb cargo net
black (new)
grey (used)
additional materials used in cargo net sling load
pressure-sensitive tape
1/4” cotton webbing
minimum of 12 ft. rope/strap w/rated capacity of 550 lbs or greater
