SAFETY OF LIFE AT SEA C143 



upwards but less than 1.600 tons gross tonnage made on or after 19 November 

 1952, a reserve source of energy shall be provided in the upper part of the 

 ship unless the main source of energy is so situated. 



ij) The reserve source of energy, if provided, may be used only to supply 



(i) the radiotelephone installation; 

 (ii) the emergency light required by paragraph (d) of Regulation 14 of 



this Chapter; and 

 (iii) the device required by paragraph (d) of this Regulation, for generating 



the radiotelephone alarm signal. 

 (k) Notwithstanding the provisions of paragraph (/) of this Regulation, the 

 Administration may authorise the use of the reserve source of energy, if 

 provided, for a direction-finder, if fitted, and for a number of low-power 

 emergency circuits which are wholly confined to the upper part of the ship, 

 such as emergency lighting on the boat deck, on condition that the additional 

 loads can be readily disconnected, and that the source of energy is of sufficient 

 capacity to carry them. 



(/) While at sea, any battery provided shall be kept charged so as to meet 

 the requirements of paragraph (/) of this Regulation. 



{m) An aerial shall be provided and installed and. if suspended between 

 supports liable to whipping, shall in the case of ships of 500 tons gross 

 tonnage and upwards but less than 1 ,600 tons gross tonnage be protected 

 against breakage. In addition, there shall be a spare aerial completely 

 assembled for immediate replacement or, where- this is not practicable, 

 sufficient aerial wire and insulators to enable a spare aerial to be erected. 

 The necessary tools to erect an aerial shall also be provided. 



PART D.— RADIO LOGS 

 Regulation 16 



Radio Logs 



{a) The radio log (diary of the radio service) required by the Radio 

 Regulations for a ship which is fitted with a radiotelegraph station in 

 accordance with Regulation 3 or Regulation 4 of this Chapter shall be kept 

 in the radiotelegraph operating room during the voyage. Every radio officer 

 shall enter in the log his name, the times at which he goes on and off watch, 

 and all incidents connected with the radio service which occur during his 

 watch which may appear to be of importance to safety of life at sea. In 

 addition, there shall be entered in the log: — 



(i) the entries required by the Radio Regulations; 



Ch. 4 



