Regulation 8 - Wheelhouse control of propulsion machinery
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Regulation 8 - Wheelhouse control of propulsion machinery

  (1) Where remote control of propulsion machinery is provided from the wheelhouse, the following shall apply:

  • (a) under all operating conditions, including manoeuvring, the speed, direction of thrust and, if applicable, the pitch of the propeller shall be fully controllable from the wheelhouse;

  • (b) the remote control referred to in subparagraph (a) shall be performed by means of a control device to the satisfaction of the Administration with, where necessary, means of preventing overload of the propulsion machinery;

  • (c) the main propulsion machinery shall be provided with an emergency stopping device in the wheelhouse and independent from the wheelhouse control system referred to in subparagraph (a);

  • (d) remote control of the propulsion machinery shall be possible only from one station at a time: at any control station interlocked control units may be permitted. There shall be at each station an indicator showing which station is in control of the propulsion machinery. The transfer of control between the wheelhouse and machinery spaces shall be possible only in the machinery space or control room;

  • (e) indicators shall be fitted in the wheelhouse for:

    • (i) propeller speed and direction in the case of fixed propellers;

    • (ii) propeller speed and pitch position in the case of controllable pitch propellers; and

    • (iii) advance alarm as required in regulation 4(5);

  • (f) it shall be possible to control the propulsion machinery locally even in the case of failure in any part of the remote control system;

  • (g) unless the Administration considers it impracticable the design of the remote control system shall be such that if it fails an alarm will be given and the pre-set speed and direction of thrust will be maintained until local control is in operation;

  • (h) special arrangements shall be provided to ensure that automatic starting shall not exhaust the starting possibilities. An alarm shall be provided to indicate low starting air pressure and shall be set at a level which will still permit main engine starting operations.

  (2) Where the main propulsion and associated machinery including sources of main electrical supply are provided with various degrees of automatic or remote control and are under continuous manned supervision from a control room, the control room shall be so designed, equipped and installed that the machinery operation will be as safe and effective as if it were under direct supervision.

  (3) In general, automatic starting, operational and control systems shall include means for manually overriding the automatic means, even in the case of failure of any part of the automatic and remote control system.

Parent topic: Part B - Machinery Installations (See also regulation 3 )
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