Paragraph 7 Navigation and Position Indication

fitted with a compass;

fitted with an adequate means of determining the distance of the craft from the seabed;

provided with an adequate means of visual look-out ahead of the craft or be fitted with equipment to determine and avoid obstacles when submerged;

fitted with such gauges or instruments to provide a continuous read-out of depth to the crew; a minimum of two such instruments shall be fitted; one of which shall be a dial gauge; they shall not share a common hull penetration;

fitted with equipment to indicate heel and trim;

fitted with a visual means of position indication for use when on the surface, including highly visible paint, and strobe light;

fitted with a sonic location device to provide position indication in an emergency when submerged;

be equipped with a timepiece which does not use the main power supply.