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Paragraph 3 Control

Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below:

(3.1)

One man submersible craft and atmospheric diving suits shall, where appropriate:—

(3.1.1)

contain valves, gauges and such other equipment as is necessary to control the propulsion and auxiliary systems, including any fuel supply and exhaust systems;

(3.1.2)

contain such equipment as is necessary to control the direction of the craft in azimuth;

(3.1.3)

contain such valves, gauges and other equipment as are necessary to control the depth, attitude, and rate of descent and ascent without inducing resonant or unstable motions;

(3.1.4)

be fitted with jettisonable weights or other means, suitably protected against inadvertent operation, to achieve positive buoyancy in an envisaged emergency situation;

(3.1.5)

be fitted with valves or other fittings to enable manipulators, grasping or anchoring devices and jettisonable equipment to be released in a planned or envisaged emergency situation;

(3.1.6)

be fitted with an umbilical capable of maintaining services and of sufficient strength for its intended service;

(3.1.7)

be equipped with an internal release suitably protected against inadvertent operation, for severing or releasing the umbilical cable. In the case of a towed submersible craft similar arrangements should be provided for the towing cable.