wordPage1of59 / CHAPTERIGENERALDefinitionsConventionmeanstheInternationalConventionfortheSafetyofLifeatSea,1974,asamended.Effectiveclearingoftheshipistheabilityofthefree-falllifeboattomoveawayfromtheshipafterfree-falllaunchingwithoutusingitsengine.Free-fallaccelerationistherateofchangeofvelocityexperiencedbytheoccupantsduringlaunchingofafree-falllifeboat.Free-fallcertificationheightisthegreatestlaunchingheightforwhichthelifeboatistobeapproved,measuredfromthestillwatersurfacetothelowestpointonthelifeboatwhenthelifeboatisinthelaunchconfiguration.Launchingrampangleistheanglebetweenthehorizontalandthelaunchrailofthelifeboatinitslaunchingpositionwiththeshiponevenkeel.Launchingramplengthisthedistancebetweenthesternofthelifeboatandthelowerendofthelaunchingramp.RegulationmeansaregulationcontainedintheAnnextotheConvention.Retro-reflectivematerialisamaterialwhichreflectsintheoppositedirectionabeamoflightdirectedonit.Water-entryangleistheanglebetweenthehorizontalandthelaunchrailofthelifeboatwhenitfirstentersthewater.ThetermsusedinthisCodehavethesamemeaningasthosedefinedinregulation/3.Generalrequirementsforlife-savingappliancesParagraphappliestolife-savingappliancesonallships.Unlessexpresslyprovidedotherwiseorunless,intheopinionoftheAdministrationhavingregardtotheparticularvoyagesonwhichtheshipisconstantlyengaged,otherrequirementsareappropriate,alllife-savingappliancesprescribedinthispartshall:.1beconstructedwithproperworkmanshipandmaterials;Page2of59.2notbedamagedinstowagethroughouttheairtemperaturerange-30to+65and,inthecaseofpersonallife-savingappliances,unlessotherwisespecified,remainoperationalthroughouttheairtemperaturerange-15to+40;.3iftheyarelikelytobeimmersedinseawaterduringtheiruse,operatethroughouttheseawatertemperaturerange-1to+30;.4whereapplicable,berot-proof,corrosion-resistant,andnotbeundulyaffectedbyseawater,oilorfungalattack;.5whereexposedtosunlight,beresistanttodeterioration;.6beofinternationalorvividreddishorange,oraparablyhighlyvisiblecolouronallpartswherethiswillassistdetectionatsea;.7befittedwithretro-reflectivematerialwhereitwillassistindetectionandinaccordancewiththeremendationsoftheOrganization*;*RefertotheRemendationontheUseandFittingofRetro-ReflectiveMaterialonLife-savingAppliances,adoptedbytheOrganizationbyresolutionA.658(16),asitmaybeamended.8iftheyaretobeusedinaseaway,becapableofsatisfactoryoperationinthatenvironment;.9beclearlymarkedwithapprovalinformationincludingtheAdministrationwhichapprovedit,andanyoperationalrestrictions;and.10whereapplicable,beprovidedwithelectricalshortcircuitprotectiontopreventdamageorinjury.TheAdministrationshalldeterminetheperiodofacceptabilityoflife-savingapplianceswhicharesubjecttodeteriorationwithage.Suchlife-savingappliancesshallbemarkedwithameansfordeterminingtheirageorthedatebywhichtheymustbereplaced.Permanentmarkingwithadateofexpiryisthepreferredmethodofestablishingtheperiodofacceptability.Batteriesnotmarkedwithanexpirationdatemaybeusediftheyarereplacedannually,orinthecaseofasecondarybattery(accumulator),iftheconditionoftheelectrolytecanbereadilychecked.CHAPTERIIPERSONALLIFE-SAVINGAPPLIANCESLifebuoysLifebuoyspecificationPage3of59Everylifebuoyshall:.1haveanouterdiameterofnotmorethan800mmandaninnerdiameterofnotlessthan400mm;.2beconstructedofinherentlybuoyantmaterial;itshallnotdependuponrushes,corkshavingsorgranulatedcork,anyotherloosegranulatedmaterialoranyairpartmentwhichdependsoninflationforbuoyancy;.3becapableofsupportingnotlessthankgofironinfreshwaterforaperiodof24h;.4haveamassofnotlessthankg;.5notsustainburningorcontinuemeltingafterbeingtotallyenvelopedinafireforaperiodof2s;.6beconstructedtowithstandadropintothewaterfromtheheightatwhichitisstowedabovethewaterlineinthelightestseagoingconditionor30m,whicheveristhegreater,withoutimpairingeitheritsoperatingcapabilityorthatofitsattachedponents;.7ifitisintendedtooperatethequickreleasearrangementprovidedfortheself-activatedsmokesignalsandself-ignitinglights,haveamassofnotlessthan4kg;and.8befittedwithagrabline