TM 1-4220-250-12&P
Inadvertent inflation can push the pilots forward resulting in loss of aircraft
control in the AH-1 and AH-64 or similarly restricted cockpits. If inadvertent
inflation should occur, a knife or other sharp, pointed item shall be used to
puncture the raft.
RESTRICTION OF MOVEMENT
Certain size individuals, in certain helicopters, may experience reach restrictions
during aircraft starting when wearing the LRU-18/U and container with the
SARVIP.
WEAPONS SYSTEM ACTIVATION
The AH-64 Weapons Action Switch can accidentally be activated, deactivated,
or switched when certain size individuals apply full aft cyclic.
2.3.1 Donning and Fitting the SRU-37/P. The container assembly is designed to be worn on the user’s chest, upper
back, or lower back. If the SARVIP is to be worn, it shall be donned first. The LRU-18/U and container shall then be donned
over the SARVIP.
2.3.1.1 Chest Mounting Option.
FLIGHT CONTROL RESTRICTION
When the LRU-18/U with cross strap container is worn on the chest, certain size
individuals in certain helicopters may experience aft cyclic control restriction.
a. Position the LRU-18/U with cross strap container across the chest and place both shoulder straps over the shoulders
and back. The right shoulder strap with male buckle shall be passed under the left armpit and securely inserted into
the female buckle of the left cross strap. The left shoulder strap with male buckle shall be passed under the right
armpit and securely inserted into the female buckle of the right cross strap. Ensure that both buckle assemblies are
securely fastened. This is essential for prevention of inadvertent release while performing aircrew duties or during
emergencies.
b.
Adjust the straps, taking up the slack until snug against the body. Be sure to allow for unobstructed access to the
beaded inflation handle.
2.3.1.2 High Back Mounting Option.
When the LRU-18/U with cross strap container is worn in the high back position,
the straps must be loosened to allow the aviator/crewmembers to reach the
beaded activation handle.
a.
Place the LRU-18/U with cross strap container across the top of the back (between shoulder blades). Place the
shoulder straps over the chest and attach buckles in the same manner as step a. above - right to left and left to right.
Ensure that the buckle assemblies are securely fastened.
Change 1 2-3
