Regulation II-1/1.3 – Application
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Circulars - Maritime Safety Committee - MSC.1/Circular.1284 – Unified Interpretations of SOLAS Regulations II-1/1.3 and II–1/3–6 – (11 December 2008) - Annex – Unified Interpretations of SOLAS Regulations II-1/1.3 and II-1/3-6 - Regulation II-1/1.3 – Application

Regulation II-1/1.3 – Application

  1 Conversions of single-hull tankers to double-hull tankers are regarded as modifications of a major character for the purposes of SOLAS chapter II-1.

  2 Repairs, alterations and modifications of a major character should include:

  • .1 Substantial alteration of the dimensions of a ship, for example:

  • Lengthening of a ship by adding a new midbody. The new midbody should comply with SOLAS chapter II-1.

  • .2 A change of ship type, for example:

  • A tanker converted to a bulk carrier. Any structure, machinery and systems that are added or modified should comply with SOLAS chapter II-1.

  3 In the context of conversions of single-hull tankers to double-hull tankers, the flag State Administration should decide on a case-by-case basis which retrofitting requirements should be fulfilled.


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.