TM 55-1670-251-20&P/TO 13D3-2-2
Section II. DESCRIPTION AND DATA
band assembly to the spreader bar pendant assembly on
Purpose and Use.
the rotor head shackle.
The Aerial Recovery Kit contains the equipment
d. Drogue Chute Assembly P/N 1670EG029BI and
required for preparation, rigging and recovery of selected
1670EG029B3. Drogue chutes are provided to maintain
aircraft, by any one of four prime movers, the UHID H, CH-
the directional stability of slung aircraft. The smaller chute
47, CH-54, and CH-53 helicopters.
(60.0 inch diameter) is used on most aircraft while the
larger chute (156 inch diameter) is required on the larger
Technical Characteristics.
and inherently unstable type of aircraft. Swivel attachments
prevent the chutes from winding up due to rotor downwash.
a. The kit components are packaged in a bi-sectional
water tight aluminum container having the approximate
e. Gust Locks PIN 1670EG030A. The gust locks are
overall dimensions of 28.0 X 30.25 X 76.5 inches as shown
used to secure the control surface and to prevent motions
in figure 1-1. The kit assembly is air transportable as an
of ailerons, rudder, elevator, etc.
internal or external load. Six lift grips, three on each side of
the container assembly, are provided for use as tie-down or
f. Load-spreader PIN 1670EG035A1.
The load
suspension points for external transportation. Skid type
spreader is required for those aircraft where structural
feet are provided to facilitate positioning of the container
frame members do not coincide with the required belly band
either inside an aircraft or on the ground.
rigging stations. They reduce the risk of additional structure
damage to the recovered aircraft by distributing the belly
b. The container is constructed to have separable top
band loads over a large area.
and bottom sections, each of which are Compartmented to
house the kit components in such a manner as to afford
g. Pendant Adapter PIN 1670EG093-1 and BOS-14-
easy accessibility and identification of the components.
KZ These pendant adapters have a rigid section between
Component part numbers are stenciled inside the container
the eyes at each end. A flexible pendant or sling set is
compartments to enable easy recognition and hence
attached to one eye using a webbing ring assembly or a
selection of components as required. Component locations
steel apex fitting. The other end of the pendant adapter is
for each of these sections are shown in figure 1-2.
attached directly onto the helicopter cargo hook. The
pendant provides a light weight, non-conductive link which
Description of Major Components.
also eases hook-up by allowing additional separation
between the hook-up crew and the lift helicopter. The PIN
The major components of the aerial recovery kit are
1670EGO93-1 may be used on either the forward, aft, or-
described below.
center cargo hooks on the CH-47D. The new P/N BOS-14-
K7 has a smaller cross section at the rigid eye to allow
a. Anti-Chafe Pad PIN 1670EG044. The anti-chafe
hook-up to the UH-60 cargo hook as well.
pad is used to maintain the spacing of the belly band strap
assemblies and to afford padding to these assemblies in
h. Pendant Assemblies.
Pendant assemblies
the areas where they would normally contact the fuselage
(flexible) are used primarily to lengthen the distance from
of the slung aircraft thereby minimizing the risk of abrasion
the cargo hook on the lift helicopter to the sling load. In
to the belly bands and damage to the recovery aircraft.
addition to the two nylon webbing pendants, PIN
1670EG028A and 1670EG028A3, the new polyester
b. Containers PIN 1670EG120 and P/N 5140-EG-
roundlings, P/N PRS3C030, PRS7C065, and PRS7C070
090-001. These containers provide storage of the kit
provide excellent pendants, 30 foot, 65 foot and 70 foot
components to secure the contents and protect them from
long respectively.
adverse environmental conditions. The larger container,
PIN 1670EG] 20 is intended for long term storage and for
i. Positioning Strap PIN 1670EG036A-1.
The
internal or external aircraft transport of the entire kit. The
positioning strap is used to prevent the slipping of the belly
smaller container P/N 5140-EG-090-001, supplements the
bands, fore, aft, and laterally, from their required rigging
larger container for long term storage but is ideally suited
locations on an aircraft fuselage.
for normal handling of only those components of a kit
required for a given recovery operation.
j. Probe Static Discharge PIN 1670EG068B-1. The
static discharge probe is used to bleed and ground the
c. Coupling Link Assembly PIN 1670EG079-1. The
static charge from the hovering recovery prime mover
coupling link assembly is used to connect with the belly
helicopter, thereby allowing safe handling of the cargo hook
during hookup of the sling assembly.
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