2-7. SYSTEM INSTALLATION WITH HELICOPTER
INTERNAL CARGO SYSTEM (HICHS), AND 463L
· Tanks cannot be loaded on aircraft
while attached to
· If HICHS is installed, the aircraft
connection must have
been raised above the heater
· Aircraft CG will vary with HICHS
a. Up to three 463L pallets are used for a four tank
installation in accordance with TM 55-1680-358-12&P.
b. The No. 1 tank will be loaded on the most
forward 463L pallet.
c. Installation sequence shall be the same as
described in paragraph 2-6 except for use of tiedown
configurations. For installation of tiedown strap
assemblies, refer to Table 2-3. Installation sequence
shall be as shown in the figures listed below.
One tank of four w/pallet, Fig 2-13
Two tanks of four w/pallets, Fig 2-14
Three tanks of four w/pallets, Fig 2-15
Four tanks w/pallets, Fig 2-16
One tank w/one pallet, Fig 2-17
Two tanks w/pallets, Fig 2-18
Three tanks w/pallets, Fig 2-19
Four tanks w/pallets, Fig 2-20
d. Place plywood shoring between pallet and tank
skid, and position edge of right-hand skid 28.5 inches to
the left of pallet, Figure 2-13. Front top leading edge of
tank will be lined up with station 200.