TM 55-7440-240-14
AIR TRANSPORTABILITY GUIDANCE
truck may be transported at operational height
4-1. Scope
with the shelter mounted in the C 5 aircraft.
This chapter provides transportability guidance for
air movement of the TACFIRE system. It covers
significant technical and physical characteristics
and prescribes the materials required to prepare,
a. The aircraft commander, or designated repre-
load, and unload the system as an internal load in
sentative, is responsible for insuring that the sys-
the C5, C 130, and C141 cargo aircraft.
tem is loaded, properly secured, and unloaded in
accordance with section IV of TO lC5A9, TO
lC130A-9, or TO lC141A9, as applicable.
b. Restraint factors (G loads: lG = 1 x the
The loads described in this chapter are not neces-
weight of an item) for minimum acceptable condi-
sarily maximum aircraft loads. Total cargo loads
tions specified for crew safety in the event of a con-
and operating ranges are subject to variables such
trolled emergency landing are specified in TO lC
as weather, airfield conditions, individual aircraft
5A9, TO lC130A9 and TO lC141A9, as ap-
characteristics, and distance. General guidance on
plicable. The tiedown diagrams (figs 4-1 and 4-2)
total cargo loads and operating ranges is provided
and data (tables 41 and 42) are based on accept-
in TM 38 236/AFP 71-8. For specific guidance,
able methods. Figures 41 and 42 show represen-
contact the nearest Military Airlift Command
tative patterns. The exact placement of the system
(MAC) Activity.
items in an aircraft is dependent primarily upon the
aircraft-ready-for-loading weight and on other
cargo to be loaded. Since both factors are subject
4-3. Safety
to wide variances, the exact placement cannot be
shown in this manual and must be determined on an
Safety precautions are listed in chapter 3.
individual load basis. Tables 41 and 42 list the
tiedown devices required (provided aboard aircraft)
and tiedown provisions on the system items.
a. All parking brakes must be serviceable and no
c. The cargo truck may be loaded aboard aircraft
rocks or stones may be embedded in the tire treads
under its own power or it may be winched aboard.
The power unit may be loaded using the cargo
or between dual wheels.
truck as a prime mover or it may be winched
b. The system components must be clean and
aboard. These two items should be backed into the
free of dirt, grease, or other debris that could be
aircraft unless loaded over the aft ramp of the C 5.
dislodged during loading, transport, or unloading.
In this case, the items may go aboard front first.
When the power unit has been positioned aboard
c. The installed equipment in the S491 shelter
the aircraft, and before it is disconnected from the
must be secured to insure that the shelter and con-
prime move, place a piece of 2- x 12- x 12-inch
tents will be restrained to the following G factors:
shoring on aircraft floor, then place power unit
3G forward, 11/2G aft, 1l/2G lateral, 2G vertical
(up), and 41/2G vertical (down). The shelter will be
front support leg on shoring.
removed from the truck and placed on two joined
Air Force HCU -6/E pallets (463L) for transport by
WARNING
C-130 or C-141 aircraft.
Consult TM 38250/AFR 714 to insure
d. If the system is to be transported in the
compatibility of any cargo being consid-
C-130 or C-141 aircraft, the cargo truck height
ered for loading and transport with the
must be reduced to a maximum of 102 inches. The
TACFIRE system.
