11.4 Units when towed, or self-propelled and accompanied by escort ships
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - International Codes - 1989 MODU Code – Code for the Construction and Equipment of Mobile Offshore Drilling Units, 1989 – Resolution A.649(16) - Chapter 11 – Radiocommunication Installations - 11.4 Units when towed, or self-propelled and accompanied by escort ships

11.4 Units when towed, or self-propelled and accompanied by escort ships

  11.4.1 The requirements for non-self-propelled units under tow when manned depend upon the radio installations fitted in the towing ship, as set out in paragraphs 11.4.2 and 11.4.3.

  11.4.2 In cases where the towing ship complies fully with all applicable requirements concerning radiocommunications for ships prescribed in chapter IV of the 1988 SOLAS amendments, the non-self-propelled unit under two when manned should:

  • .1 be fitted with VHF facilities as required by regulations IV/7.1.1footnote and 7.1.2 of the 1988 SOLAS amendments and with MF facilities as required by regulations IV/9.1.1 and 9.1.2;

  • .2 be fitted with the satellite EPIRB or EPIRB required by regulation IV/7.1.6, as appropriate, for the area in which the MODU is being towed; and

  • .3 be fitted with equipment for automatic reception of navigational and meteorological warnings in accordance with regulations IV/7.1.4 and IV/7.1.5, as appropriate, of the 1988 SOLAS amendments.

  11.4.3 In cases where the towing ship does not comply fully with the applicable requirements concerning radiocommunications for ships prescribed in chapter IV of the 1988 SOLAS amendments, the MODU under tow when manned should comply with all the applicable provisions concerning radiocommunications prescribed in chapter IV of the 1988 SOLAS amendments.footnote

  11.4.4 Each self-propelled unit accompanied by one or more escort vessels should comply with the provisions of 11.3.


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.