Specifications

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Thefollowingmatrixprovidesthesoundproducingdevicesrequiredfor
vessels:

 VesselLength Whistle Bell Gong
 12metersormore
 (394ft)
X
 
 20metersormore
 (656ft)
X

X

 100metersormore
 (3281ft)
X

X

X

 VesselLength Whistle Bell Gong
 12metersormore
 (394ft)
X
 
 20metersormore
 (656ft)
X

X

 100metersormore
 (3281ft)
X

X

X
*There have been changes to the Collision Regulations (COLREGS)
and a regulatory change is forthcoming that will align the Inland
Navigation Rules with the COLREGS. The Coast Guard is exercising
its discretion not to enforce the provisions of the inland rules until the
regulatory change is enacted.

Recreationalvesselsarerequiredtodisplaynavigationlightsbetween
sunsetandsunriseandduringperiodsofrestrictedvisibility(fog,rain,
haze,etc)TheUSCoastGuardNavigationRules,International-In-
land,specifieslightingrequirementsforeverydescriptionofwatercraft
Theinformationprovidedbelowisforpower-drivenandsailingvessels
lessthan655feet(20meters)inlength

Note that a sail vessel under machine propulsion is considered a
power-driven vessel.
Ifyourpower-drivenvesselislessthan164feet(50meters)inlength,
itmustdisplaynavigationlightsasshowninFigure1
Ifyourpower-drivenvesselislessthan394feet(12meters)inlength,
thenitmaydisplaynavigationlightsasshowninFigure2
Signaling Devices
Figure 1
Figure 2