NoticeonMSC.1-Circ.1532-RevisedGuidelinesonOperationalInformationforMastersofPassengerShipsforSafeReturntoPortbyIMO

CCSTechnical Information(2016)Technical Information No.36 Total No.238Nov.14,2016(Total 2 pages)To:Relevant departments of the Headquarters of CCS,the Society's surveyors,PlanApproval Centers,related shipowners,ship management companies,shipyards anddesignersNotice on MSC.1-Circ.1532-Revised Guidelines on OperationalInformation for Masters of Passenger Ships for Safe Return to Portby IMOThe Maritime Safety Committee of IMO,at its ninety-sixth session,approved theMSC.1/Circ.1532-Revised Guidelines on operational information for masters of passenger shipsfor safe return to port,to provide additional guidance for the uniform implementation of SOLASregulation ll-1/8-1.3,and apply to passenger ships constructed on or after 13 May 2016MSC.1/Circ.1532 provides detail requirements of the shore-based or onboard stabilitycomputer used for provide operational information of passenger ships for safe return to port,including system overview of stability computer,input of the system,calculation methods ofstability simulation and output of system.The software of stability computer should becapable of analysing the damage stability following any real flooding casualty.The softwareshould be capable of assessing the impact of open main watertight doors on stability,and beused for damage control drills.The system should have the capability of two-waycommunication with the shore-based team with an agreed method of specifying andtransmitting details of structural loss and/or degradation.The strength aspects ofshore-based computer should be in compliance with the requirements of a classificationsociety which is recognized by the Administration.With regard to Ro-Ro passenger ships,there should be algorithms in the software for estimating the effect of water accumulation