Iranian Classification Society Rules

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Section 2 Automatic and Remote Control Systems


201. Control center of yacht


1. A control center is to be arranged from which control and surveillance of the yacht can be ex- ercised both under normal conditions and in an emergency.


2. Controls and indicating instruments are to be provided for the following functions

(1) Steering

(2) Propulsive power

(3) Fire extinguishing primary system

(4) Ventilation fans

(5) Ventilation dampers against fire

(6) Fuel oil pumps and fuel quick closing valves

(7) Bilge system in machinery spaces

(8) Alarms


202. Stabilization control system


1. In case of failure of any automatic equipment or stabilization device, or its power drive, the pa- rameters of craft motion are to remain within safe limits.


2. Yachts fitted with an automatic stabilization system are to be provided with an automatic safety control unless redundancy in the system provides equivalent safety. Where an automatic safety con- trol is fitted, provision is to be made to override it and to cancel the override from the main con- trol position.


3. The parameters and the levels at which any automatic safety control is to give the command to de- crease speed and put the yacht safely into the displacement or other safe mode are to be chosen with regard to the safe values of hill, trim, yaw and a combination of trim and draught appropriate to the particular yacht and service such as the possible consequences of power failure for pro- pulsion, lift or stabilization devices.


4. The parameters and the degree of stabilization of the yacht provided by the automatic stabilization system are to be chosen with due regard to the purpose and service conditions of the yacht.


5. In case of failure of any automatic equipment or stabilization device, or its power drive, the pa- rameters of yacht motion are to be remain within safe limits.


6. A failure mode and effect analysis are to include the stabilization control system. image