Rescue craft should comply with the provisions of paragraphs 3.2.1.1.1, 3.2.1.4, 3.2.1.11, 3.2.1.13, 3.2.1.15
to 3.2.1.18, 3.2.1.20 to 3.2.1.22, 3.2.1.25.2, 3.2.1.29, 3.2.2.1,
3.2.2.3 and 3.2.2.5, and in addition should:
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.1 where arranged to be suspended by a fall or
falls and lowered to the water by means of a launching device, be
of sufficient strength and fendered to withstand:
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.1.1 if inflated, a load of 4 times the mass of
the rescue boat and its full complement of persons and equipment at
an ambient temperature of 20°C with all relief valves inoperative
and 1.1 times the mass of the rescue boat and its full complement
of persons and equipment at an ambient temperature of -30°C with
all relief valves operative;
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.1.2 when fully loaded, without sustaining damage
that would affect its efficient functioning:
- a sideways impact against a rigid vertical surface with an impact
velocity of at least 3.5 m/s; and
- a drop into the water from a height of 3 m;
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.2 be capable of carrying at least five persons
seated and at least one person lying down;
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.3 be approved for the maximum number of persons
to be decided by practical seating tests in a seaway and based upon
the number of adult persons wearing individual buoyancy equipment
who can be seated without in any way interfering with the normal operation
of its equipment or means of propulsion;
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.4 when preparing for launching, permit its full
complement of persons, excluding any stretcher cases, to board in
not more than 3 min;
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.5 have sufficient buoyancy and stability to support
its full complement even when holed in any one location and open to
the sea;
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.6 offer protection against exposure to sea spray;
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.7 be capable of maintaining a speed of at least
6 knots for at least 4 h in a seaway;
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.8 be prototype tested with regard to paragraphs 3.2.1.1.1, 3.2.1.4, 3.2.1.16, 3.2.1.22, 3.2.2.1,
3.2.2.3, 3.3.1.1, 3.3.1.2, 3.3.2 to 3.3.4, 3.3.6 and 3.3.7
and with regard to paragraphs 3.2.1.11,
3.2.1.13, 3.2.1.18, 3.2.1.20, 3.2.1.25.2, 3.2.1.29, and 3.3.5
in a seaway.