MIL-PRF-81542C
3.17.2 Type II Army Helicopter. The Type II life raft shall be sealed in reduced volume
packaging. The seal shall provide protection and preservation for the raft in an aircraft
environment. The life raft shall be sealed in such a way as to guarantee verification of airtight
packaging by visual methods.
The Type II life raft shall be packed in the helicopter aircrewman's Air Warrior Over-Water
Gear Carrier (OWGC). The inflation cord attachment shall be located such that the lanyard exits
the pack at the upper left corner to allow activation over the left shoulder of the aircrewman.
The packed configuration shall be in accordance with figure 1.
Inflation Lanyard Exit
20"
1.5"
12-3/4"
Raft Storage Dimensions
FIGURE 1. Type II - Army Helicopter.
3.17.3 Type III NACES ejection seats. The Type III life rafts, when folded, shall be
packed in Navy NACES ejection seats only. Available volume for the life raft is in accordance
with applicable NAVAIR seat kit manual chapters.
3.18 Actuation. All life raft types shall actuate manually by pulling an inflation lanyard.
The pull force required for lanyard actuation shall be not greater than 30 lb when tested in
accordance with 4.9. Type I and III life rafts shall also actuate automatically by gravity drop on
kit actuation when jump tested in accordance with 4.10.
3.19 Raft pressure.
3.19.1 Pressure. The pressure in the raft flotation tube shall be not less than 95 percent of 2
times the manufacturer's specified operating pressure when tested in accordance with 4.11.1.
3.19.2 Leakage. The pressure in the raft flotation tube shall be not less than 80 percent of
the manufacturer's specified operating pressure when tested in accordance with 4.11.2.
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