SAFETY OF LIFE AT SEA C55 



Regulation 28 



Means of Going Astern 



(a) Passenger Ships and Cargo Ships 



Ships shall have sufficient power for going astern to secure proper control 

 of the ship in all normal circumstances. 



(b) Passenger Ships only 



The ability of the machinery to reverse the direction of thrust of the 

 propeller in sufficient time, under normal manoeuvring conditions, and so 

 to bring the ship to rest from maximum ahead service speed shall be 

 demonstrated at the initial survey. 



Regulation 29 



Steering Gear 



(a) Passenger Ships and Cargo Ships 



(i) Ships shall be provided with a main steering gear and an auxiliary 

 steering gear to the satisfaction of the Administration. 



(ii) The main steering gear shall be of adequate strength and sufficient 

 to steer the ship at maximum service speed. The main steering gear and 

 rudder stock shall be so designed that they are not damaged at maximum 

 astern speed. 



F (iii) The auxiliary steering gear shall be of adequate strength and 

 sufficient to steer the ship at navigable speed and capable of being brought 

 speedily into action in an emergency. 



(iv) The exact position of the rudder, if power operated, shall be indicated 

 at the principal steering station. 



(b) Passenger Ships only 



(i) The main steering gear shall be capable of putting the rudder over 

 from 35 degrees on one side to 35 degrees on the other side with the ship 

 running ahead at maximum service speed. The rudder shall be capable of 

 being put over from 35 degrees on either side to 30 degrees on the other side 

 in 28 seconds at maximum service speed. 



(ii) The auxiliary steering gear shall be operated by power in any case 

 in which the Administration would require a rudder stock of over 9 inches 

 (or 22 -86 centimetres) diameter in way of the tiller. 



I 



(iii) Where main steering gear power units and their connections are fitted 

 ill duplicate to the satisfaction of the Administration, and each power unit 

 enables the steering gear to meet the requirements of sub-paragraph (i) of 

 this paragraph, no auxiliary steering gear need be required. 



Ch. 2 



