MIL-PRF-18494F(AS)
3. REQUIREMENTS
3.1 General. The life raft assembly shall consist of the following components:
a. A reduced volume packed life raft.
b. An attached survival item/accessory container.
c. A carrying case.
The rafts shall be constructed with heat sealed seams. The life raft shall be manufactured and
designed to endure a 5-year repack cycle beginning from the date of initial packing (see 6.2).
The life rafts shall meet the requirements of FAA TSO-C70a, be capable of FAA TSO-C70a
certification, and meet all the requirements specified herein.
3.2 Qualification. Life rafts furnished under this specification shall be products that are
authorized by the qualifying activity for listing on the applicable qualified products list before
contract award (see 4.2 and 6.3).
3.3 Inflation system. The inflation system shall be a zero-leak system preventing any gas
leaks before actuation. The inflation gas shall be contained in a non-shatterable vessel. The
vessel shall have a 5-year service life from the date of life raft packing (see 6.2).
3.4 Self-erecting canopy. The life raft design shall incorporate a self-erecting inflatable
canopy system to provide aircrew protection from sea spray, sun, and extreme weather
conditions. Raft buoyancy shall not be affected by the integrity of the canopy system.
3.4.1 Rain water collection. A means shall be provided for the collection and retention of
rain water from the external surface of the canopy.
3.4.2 Reflective strips. The exterior of the life raft and canopy shall incorporate
removeable, flexible reflective external surfaces to enhance the effectiveness of search and
rescue operations.
3.5 Floor insulation. The life raft floor shall be insulated.
3.6 Capacity. The rated and overload capacities of the life raft shall be based on the
following usable sitting areas on the life raft deck:
Rated capacity - 4.5 ft2 per person
Overload capacity - 3.0 ft2 per person
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