Paragraph 7 Navigation and Position Indication
(7.1)
One man submersible craft and atmospheric diving suits shall be:—
(7.1.1)
fitted with a compass;
(7.1.2)
provided with an adequate means of visual look-out ahead of the craft;
(7.1.3)
fitted with such gauges or instruments to provide a continuous read-out of depth to the crew;
(7.1.4)
fitted with a visual means of position indication for use on the surface, including highly visible paint, and strobe light;
(7.1.5)
fitted with a sonic location device to provide position indication in an emergency when submerged.