Raymarine LIGHTHOUSE 4 - Page 188

Important:
TheCollisionA
voidancefeatureisagraphicalaidonly,providedtohelp
increaseuserawarenessofthepotentialforcollision.Itisvitaltohave
agoodunderstandingoftheInternationalRegulationsforPreventing
CollisionsatSea(IRPCS/COLREGS),toensureallactionstakenarein
accordancewiththeIRPCS.Importantconceptstounderstandinrelationto
CollisionAvoidanceinclude(butarenotlimitedto):Riskassessment;Right
ofWay;Restrictedvisibility;interpretinglightsandshapes;interpreting
soundandlightsignals.Intheeventofconflict,theIRPCSregulations
musttakeprecedence.FormoreinformationonIRPCS/COLREGS,refer
to:IRPCS
Movingtargetgraphics
Movingtargetgraphicsareusedfortargetsmovingataspeedgreaterthan
2kts.
1.Interceptionzone(Predictedareabasedontarget’slastreported
position)
2.Interceptionline
3.TargetCOGline
4.AISTarget(Lastreceivedposition)
StationaryTargetgraphics
Stationarytargetgraphicsareusedfortargetsmovingataspeedlessthan
2kts.
1.Interceptionzone(Predictedareabasedontarget’slastreported
position)
2.StationaryAISTarget(Lastreceivedposition)
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