TM 1-1520-240-BD
CHAPTER 12
AIRCRAFT AERIAL RECOVERY FOR CH-47D
SECTION I. GENERAL
NOTE
This
chapter
is
recommended
procedure for airlifting the damaged
CH-47D.
12-1. HOISTING. The 414-100 Chinook can be hoisted
using three methods. The three methods are illustrated
in Figure 12-1.
a.
Sheet 1 shows a spreader bar type of lift. This
method puts little or no stress on the helicopter. The
adapters thread into the forward and aft rotor shafts.
Maximum gross weight is 33,000 pounds.
b.
Sheet 2 shows a method using aircraft lifting
sling 234G0002-1 secured on one end to adapters
threaded into the forward and aft rotor shafts. It is
important that the dimensions and angles shown be
rigidly adhered to. Otherwise, structural damage can
occur. Maximum gross weight is 33,000 pounds.
c.
Sheet 3 shows a nylon sling having four legs.
Two legs attach to built-in fittings at station 122.25. The
other two legs attach to fittings at station 475.3. This
method is limited to 23,900 pounds gross weight.
d.
Ground Support Equipment.
(1)
Spreader Bar Sling 234G0005-1.
(2)
Nylon
Sling
114G1013-1
(23,900
Ib
capacity).
(3)
Threaded Eye Lift Ring 11 4E5909-8 (2).
(4)
Aircraft Lifting Sling 234G0002-1.
SECTION II. HOISTING PROCEDURES
12-2. HOISTING PROCEDURES. The following is a
recommended procedure for airlifting the damaged CH-
47D. The lifting sling will attach to the (4) airframe
fittings located at stations 122.25 and 475.31 on the
damaged aircraft and run to the forward and aft cargo
hooks, respectively, on the lifting aircraft.
a.
Preparation of Damaged Aircraft.
(1)
Remove AFT pylon and AFT XMSN.
(2)
Remove forward pylon fairing and forward
XMSN.
(3)
Secure or remove forward work platforms,
located on the left and right side of the forward pylon.
(4)
Remove flight control rods to allow access
to the airframe lifting attach points located at station
122.25.
12-1
