Transport by US Air Force Aircraft

55-2320-279-14

exceed 20,000 pounds. When individual axle

(3) Four pieces, 1.5- by 11.5-inch by 2-foot.

weights exceed 10,000 pounds, axles shall be

b. All HEMTT vehicles require the same amount

placed in compartments I through M (columns 20

of ramp and approach lumber shoring for loading

through 36). Maximum rear tandem axle weight

into or unloading from the C141 aircraft. The

shall not exceed 32,000 pounds for the M977,

ramp shoring is 20 by 11 by 10.5 inches thick. The

M978, and M983 and 38,000 pounds for the

approach shoring consists of:

M984E1 and M985. Maximum forward tandem

(1) Four pieces, 1.5- by 11.5-inch by 8-foot.

axle weight must not exceed 30,000 pounds.

(2) Four pieces, 1.5- by 11.5-inch by 7-foot.

NOTE

(3) Four pieces, 1.5- by 11.5-inch by 6-foot.

The M985E1 (modified M985 with H1AB

(4) Four pieces, 1.5- by 11.5-inch by 5-foot.

8108 crane and extended frame) has not

(5) Four pieces, 1.5- by 11.5-inch by 4-foot.

been certified for transport aboard C-141

(6) Four pieces, 1.5- by 11.5-inch by 3-foot.

aircraft.

(7) Four pieces, 1.5- by 11.5-inch by 2-foot.

j. For C-5 transport, the gross vehicle weight

must not exceed 62,000 pounds for the M977,

NOTE

M978, and M983 and 68,000 pounds for the

Any two pieces of the above lumber, 1.5

M984E1 and M985. Maximum rear tandem axle

inches thick by 11.5 inches wide, can be

weight must not exceed 32,000 pounds for the

replaced with two pieces of 0.75-inch ply-

M977, M978, and M983 and 38,000 pounds for the

wood of equal length and 22 inches wide.

M984E1 and M985. Maximum forward tandem

c. Approach lumber shoring is stacked two

axle weight must not exceed 30,000 pounds.

pieces wide with the center matching each tire

k. All four shackles must be installed (one in

track of the vehicle. Shoring is stacked with the

each forward and aft tiedown provision). If a

longest piece on the ground, and each piece added

shackle is missing, a screw pin anchor shackle

is 1 foot shorter until the desired height is

with a pin size of 1.5-inch diameter (NSN 4030-00-

reached.

169-9297 or equivalent) must be installed.

d. The HEMTT is backed into the aircraft to its

4-6. Transport by US Air Force Aircraft

tiedown position and the parking brakes are set.

a. All HEMTTs require the same amount of

e. Suggested tiedown patterns are shown in fig-

ramp and approach lumber shoring for loading

ures 4-1 through 43. The tiedown devices re-

into or unloading from the C130. The ramp sup-

quired, the location of tiedown points, the corre-

port shoring is 20 by 11 by 10 inches thick. The ap-

sponding fittings to which the devices are secured,

proach shoring consists of:

and the number and capacity of devices required

(1) Four pieces, 1.5- by 11.5-inch by 5-foot.

for loading and securing the vehicles are listed in

(2) Four pieces, 1.5- by 11.5-inch by 4-foot.

tables 4-1 through 4-3.

4-2