Scenario2Coursechangee
xamples
1.CoursealterationtopassaheadoftheInterceptionzone[Notrecommended]—Asthetarget
vesselismovingfasterthanyourvesselyouwillpassasternofthetarget.
2.CoursealterationtopassaheadofthefirstInterceptionzone[Notrecommended]—Although
thiscoursealterationissufficienttoavoidapotentialbow-to-bowcollision,ithascreateda
secondInterceptionzonewherethetargetmaynowrunyoudownfrombehind.
3.Coursealterationtopassbetweenthe2Interceptionzones[Notrecommended]—Althoughthis
mayseemlik ethequickestoption,proceedwithcaution,asthegapbetweenthe2Interception
zonescanclosequickly,especiallywhenyourvesselslowsdown.
4.CoursealterationtoclearasternofthetargetvesselanditsInterceptionzone.Thiswouldbethe
preferredmanoeuvreasitcorrectlyaltersyourvessel’scoursesothatitisclearofthetarget’s
Interceptionzone,andpassessafelyasternofthetarget.Thismanoeuvrealsoclearlyindicates
tothetargetvesselyourchangeofcourse.
Chartapp
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