Regulation 7 - Radio equipment: General
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - International Conventions - SOLAS - International Convention for the Safety of Life at Sea - Chapter IV - Radiocommunications - Part C - Ship requirements - Regulation 7 - Radio equipment: General

Regulation 7 - Radio equipment: General

  1 Every ship shall be provided with:

  • .1 a VHF radio installation capable of transmitting and receiving:

    • .1.1 DSC on the frequency 156.525 MHz (channel 70). It shall be possible to initiate the transmission of distress alerts on channel 70 from the position from which the ship is normally navigated;footnote and

    • .1.2 radiotelephony on the frequencies 156.300 MHz (channel 6), 156.650 MHz (channel 13) and 156.800 MHz (channel 16);

  • .2 a radio installation capable of maintaining a continuous DSC watch on VHF channel 70 which may be separate from, or combined with, that required by subparagraph 1.1;footnote

  • .3 a search and rescue locating device capable of operating either in the 9 GHz band or on frequencies dedicated for AIS, which:

    • .3.1 shall be so stowed that it can be easily utilized; and

    • .3.2 may be one of those required by regulation III/6.2.2 for a survival craft;

  • .4 a receiver capable of receiving international NAVTEX service broadcasts if the ship is engaged on voyages in any area in which an international NAVTEX service is provided;

  • .5 a radio facility for reception of maritime safety information a recognized mobile satellite service enhanced group calling system if the ship is engaged in voyages in sea area A1, or A2 or A3 but in which an international NAVTEX service is not provided. However, ships engaged exclusively in voyages in areas where an HF direct-printing telegraphy maritime safety information service is provided and fitted with equipment capable of receiving such service, may be exempt from this requirement.footnote

  • .6 subject to the provisions of regulation 8.3, a satellite emergency position-indicating radio beacon (satellite EPIRB)footnote which shall be:

    • .6.1 capable of transmitting a distress alert through the polar orbiting satellite service operating in the 406 MHz band;

    • .6.2 installed in an easily accessible position;

    • .6.3 ready to be manually released and capable of being carried by one person into a survival craft;

    • .6.4 capable of floating free if the ship sinks and of being automatically activated when afloat; and

    • .6.5 capable of being activated manually.

  2 Every passenger ship shall be provided with means for two-way on-scene radiocommunications for search and rescue purposes using the aeronautical frequencies 121.5 MHz and 123.1 MHz from the position from which the ship is normally navigated.

Copyright 2022 Clasifications Register Group Limited, International Maritime Organization, International Labour Organization or Maritime and Coastguard Agency. All rights reserved. Clasifications Register Group Limited, its affiliates and subsidiaries and their respective officers, employees or agents are, individually and collectively, referred to in this clause as 'Clasifications Register'. Clasifications Register assumes no responsibility and shall not be liable to any person for any loss, damage or expense caused by reliance on the information or advice in this document or howsoever provided, unless that person has signed a contract with the relevant Clasifications Register entity for the provision of this information or advice and in that case any responsibility or liability is exclusively on the terms and conditions set out in that contract.