.6 a receiver for a global navigation satellite system or a terrestrial radionavigation system, or other means, suitable for use at all times throughout the intended voyage to establish and update the ship's position by automatic means;
.7 if less than 150 gross tonnage and if practicable, a radar reflector*, or other means, to enable detection by ships navigating by radar at both 9 and 3 GHz;
.8 when the ship's bridge is totally enclosed and unless the Administration determines otherwise, a sound reception system, or other means, to enable the officer in charge of the navigational watch to hear sound signals and determine their direction 
.9 a telephone, or other means, to communicate heading information to the emergency steering position, if provided.
1.3 All ships of 150 gross tonnage and upwards and passenger ships irrespective of size shall, in addition to the requirements of paragraph 1.2, be fitted with:
.1 a spare magnetic compass interchangeable with the magnetic compass, as referred to in paragraph 1.2.1, or other means to perform the function referred to in paragraph 1.2.1 by means of replacement or duplicate equipment;
.2 a signal lamp, or other means to communicate by light during day and night using an energy source of electrical power not solely dependent upon the ship's power supply.
1.4 All ships of 300 gross tonnage and upwards and passenger ships irrespective of size shall, in addition to meeting the requirements of paragraph 1.3, be fitted with:
.1 an echo sounding device, or other electronic means, to measure and display the available depth of water;
.2 a 9 GHZ radar, or other means to determine and display the range and bearing of radar transponders and of other surface craft, obstructions, buoys, shorelines and navigational marks to assist in navigation and in collision avoidance;
.3 an electronic plotting aid, or other means, to plot electronically the range and bearing of targets to determine collision risk;
.4 speed and distance measuring device, or other means, to indicate speed and distance [through the water] **;
*Refer to resolution A.384(X) - Performance Standards for Radar Reflectors.
**Subject to the requirements of this paragraph.
