13.5.1 Craft should be provided with at least
one azimuth-stabilized radar operating in the X-band (3 cm).
13.5.2 Craft of 500 tons gross tonnage and upwards
or craft certified to carry more than 450 passengers should be provided
with at least two radar installations. A second radar may also be
provided in craft of less than 500 tons gross tonnage or certified
to carry 450 passengers or less where environmental conditions so
require.
13.5.3 At least one radar should be equipped with
facilities for plotting which are at least as effective as a reflector
plotter.
13.5.4 Adequate communication facilities should
be provided between the radar observer and the person in immediate
charge of the craft.
13.5.5 Each radar installation provided should
be suitable for the intended craft speed, motion characteristics and
commonly encountered environmental conditions.
13.5.6 Each radar installation should be mounted
so as to be as free as practicable from vibration.