Specifications

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Ifyourpower-drivenvesselislessthan23feet(7meters)inlength
anditsmaximumspeeddoesnotexceed7knots,thenitmaydisplay
anall-roundwhitelightand,ifpossible,sidelights,insteadofthelights
prescribedpreviously(InternationalRulesonly)
Forpower-drivenvesselslessthan394feet(12meters)inlength,the
mastheadorall-roundwhitelightmustbeatleast33feet(1meter)
abovethesidelights
Inavesseloflessthan656feet(20meters)inlength,sidelightsmay
bedisplayedinacombinationlightasshowninFigure2

Ifyoursailingvesselislessthan656feet(20meters)inlength,thenit
mustdisplaynavigationlightsasshowninFigures3,4,or5
Asailingvesseloflessthan23feet
(7meters)inlengthshall,ifpracticable,
exhibitlightsasshown(Figures3or
4)Ifitdoesnot,itshallhavereadyat
handanelectrictorchorlightedlantern
(flashlight)showingwhitelightthatshall
beexhibitedinsufficienttimetoprevent
collision(SeeFigure6)

Avesselunderoarsmayexhibitthe
lightsforasailboatIfitdoesnot,itshall
have
readyathandanelectrictorch
(flashlight)orlightedlanternshowing
awhitelightthatshallbeexhibitedin
sufficienttimetopreventcollision(See
Figure7)

Toalertothervesselsofconditionsthatmaybehazardous,thereare
requirementstodisplaylightsatnightandshapesduringtheday

AllvesselsatanchormustdisplayanchorlightsIfyour
vesselislessthan164feet(50meters)inlength,thenitsanchorlight
isanall-roundwhitelightvisiblewhereitcanbestbeseenfromall
directions(SeeFigure8)
Figure 3
Figure 8
Figure 4
Figure 5
Figure 6
Figure 7