MIL-PRF-18494F(AS)
restriction by any component or accessory. There shall be no evidence of structural or material
failure in any respect. All the sealed areas, seams, seam tapes, and attachments shall remain
intact and shall show no indication of separation. The floor shall not distort and remain level in
relation to the sides of the raft. The raft shall be easily boarded by an aircrew member wearing
standard aviation life support equipment including a flight suit, survival vest, inflated life
preserver, and flight boots.
3.12 Environmental.
3.12.1 Temperature extremes.
3.12.1.1 Low temperature. The life raft shall inflate into a boardable shape within 3
minutes at 0 °F (-18 °C) when tested as specified in 4.10.1.1. Inflation shall be without any
hindrance to the flow of gas or restriction by any component or accessory. All the seams, seam
tapes, sealed areas and attachments shall remain perfectly intact and shall show no evidence of
separation. There shall be no evidence of failure in any respect.
3.12.1.2 High temperature. The life raft shall inflate to boardable shape within 60 seconds
at 160 °F (71 °C) when tested as specified in 4.10.1.2. Inflation shall be without any hindrance
to the flow of gas or restriction by any component or accessory. All the seams, seam tapes,
sealed areas and attachments shall remain perfectly intact and shall show no evidence of
separation. There shall be no evidence of failure in any respect.
3.12.2 Low pressure (altitude). The packed life raft contained in its carrying case shall
withstand a low pressure environment and rapid pressure changes when tested as specified in
4.10.2. The integrity of the life raft shall not be adversely affected. There shall be no leakage of
the inflation system gas. The life raft shall meet the size and volume requirements as specified in
3.8.1 and 3.10.
3.12.3 Sand and dust. The packed life raft contained in its carrying case shall resist the
effects of an airborne sand and dust environment when tested as specified in 4.10.3. The
integrity of the life raft shall be not adversely affected.
3.12.4 Vibration. The packed life raft contained in its carrying case shall resist the effects
of aircraft vibration when tested as specified in 4.10.4. The integrity of the life raft shall not be
adversely affected.
3.13 Durability. The packed life raft contained in its carrying case shall withstand the
effects of rough handling when tested as specified in 4.11. The integrity of the life raft shall not
be adversely affected.
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