Inthee xampleabovethevessel’sCOGwillcrosswiththetarget’sCOG
withintheInterceptionzone,whichcouldcauseacollision.Y oushouldalter
courseand/orspeedtoavoidthepotentialcollision.
Scenario1Coursechangeexamples
1.CoursealterationtopassaheadoftheInterceptionzone[Not
recommended]—Proceedwithcaution,thereisalwaysaninherentrisk
whenpassinginfrontofothervessels.
2.Coursealterationtopassaheadofthetargetvessel[Notrecommended]
—Thismanoeuvreisnotrecommendedasyourvesselwillstillcross
throughthetarget’sInterceptionzone.
3.CoursealterationtopassasternofthetargetvesselanditsInterception
zone—Thismanoeuvrealtersyourvessel’scoursesothatitdoesnot
comeintocontactwiththetarget’sInterceptionzoneandpassesastern
ofthetarget.
4.Coursealterationtopassclearasternofthetargetvesselandits
Interceptionzone.Thisisthepreferredmanoeuvreasitcorrectlyalters
yourvessel’scoursesothatitisclearofthetarget’sInterceptionzone
andpassessafelyasternofthetarget.Thismanoeuvrealsoclearly
indicatestothetargetvesselyouractualchangeofcourse.
190