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Statutory Documents - IMO Publications and Documents - Circulars - Maritime Safety Committee - MSC.1/Circular.1539/Rev.1 Unified Interpretations of SOLAS Chapters II-1 and Safe Return to Port Requirements for Flooding Detection Systems (4 July 2019) - Circular


1 The Maritime Safety Committee, at its ninety-sixth session (11 to 20 May 2016), in order to facilitate global and consistent implementation of the requirements of SOLAS chapter II-1, approved Unified Interpretations of SOLAS chapter II-1 (MSC.1/Circ.1539), prepared by the Sub-Committee on Ship Design and Construction, at its third session.

2 The Maritime Safety Committee, at its 101st session (5 to 14 June 2019), approved amendments to MSC.1/Circ.1539 to include additional text in the unified interpretations of SOLAS regulation II-1/7-2 on the calculation of the factor si, as well as new interpretations of regulations II-1/22-1 and II-2/21.4.13 on the safe return to port requirement for flooding detection systems. The amended text of the unified interpretations is set out in the annex.

3 Member States are invited to bring the annexed unified interpretations to the attention of all parties concerned, noting that the unified interpretation of regulations II-1/22-1 and II-2/21.4.13 on the safe return to port requirement for flooding detection system should only be applied to ships contracted for construction on or after 1 July 2019.

4 This circular supersedes MSC.1/Circ.1539.

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