Artikel 142

(1) The radiotelephone station shall be placed in the upper part of the vessel and so located that it is sheltered to the greatest possible extent from noise which might impair the correct reception of messages and signals.
(2) There shall be efficient communication between the radiotelephone station and the wheelhouse.
(3) A reliable clock with a dial not less than 125 millimetres in diameter, the face of which is marked to indicate the silence periods prescribes for the radiotelephone service by the Radio Regulations, shall be provided. It shall be securely mounted in such a position that the entire dial can be easily and accurately observed by the operator.
(4) A card of instructions giving a clear summary of the radiotelephone distress procedure shall be displayed in full view of the radiotelephone operating position.
(5) A reliable emergency light shall be provided, independent of the system which supplies the normal lighting of the radiotelephone installation and permanently arranged so as to be capable of providing adequate illumination of the operating controls of the radiotelephone installation, the clock and the card of instructions.
(6) Where a source of energy consists of a battery or batteries, the radiotelephone station shall be provided with a means of assessing the charge condition.