.2 a gyro compass heading repeater, or other means, to supply heading information visually at the emergency steering position if provided;
.3 a gyro compass bearing repeater, or other means, to take bearings, over an arc of the horizon of 360, using the gyro compass or other means referred to in paragraph .1. However ships less than 1,600 gross tonnage shall be fitted with such means as far as possible;
.4 rudder, propeller, thrust, pitch and operational mode indicators, or other means to determine and display rudder angle, propeller revolutions, the force and direction of thrust and, if applicable, the force and direction of lateral thrust and the pitch and operational mode, all to be readable from the conning position
.5 an automatic tracking aid, or other means, to plot automatically the range and bearing of other targets to determine collision risk.
1.7 On all ships of 500 gross tonnage and upwards, failure of one piece of equipment should not reduce the ship's ability to meet the requirements of paragraphs 1.2.1, 1.2.2, 1.2.4.
1.8 All ships of 3000 gross tonnage and upwards shall, in addition to meeting the requirements of paragraph 1.6, have:
.2 a second automatic tracking aid, or other means to plot automatically the range and bearing of other targets to determine collision risk which are functionally independent of those referred to in paragraph 1.6.5.
1.9 All ships of 10,000 gross tonnage and upwards shall, in addition to meeting the requirements of paragraph 1.8 with the exception of 1.8.2, have:
.1 an automatic radar plotting aid, or other means, to plot automatically the range and bearing of at least 20 other targets to determine collision risks and simulate a trial manoeuvre; and
.2 a heading or track control system, or other means, which is connected to a device to indicate speed and distance through the water, to automatically control and keep to a heading and/or straight track.
