TM 1-4220-250-12&P
SECTION II.
EQUIPMENT DESCRIPTION AND DATA
1.7 EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES.
The LRU-18/U is a veebottom one-man life raft, with an inflation assembly (CO2 cylinder and inflation valve) and a
separate container. The container assembly is constructed from lightweight nylon fabric and is designed for wear by
helicopter aircrew members and passengers. The life raft is fabricated from heat-sealable, polyurethane-coated nylon cloth. It
has two separate cells, each composed of a series of inflation tubes. The upper second, third, and fourth tubes are inflated
with carbon dioxide. The remaining tubes are inflated orally.
1.8 LOCATION AND DESCRIPTION OF MAJOR COMPONENTS (See Figure 1-1).
1.
LRU-18/U Life Raft Assy:
2. Inflation Assy:
Provides for flotation on water or shelter on land.
Used to automatically inflate second, third and fourth inflation tubes. Consists of a 2
oz. CO2 cylinder and valve assy.
3.
Beaded Handle:
Used to activate the inflation assembly.
4. Container Assy:
Contains Life Raft Assembly. Designed for wear by the aircrew member.
Figure 1-1. Major Components.
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