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IALACOLREG
COLREG
Lights & ShapesSound Signals
General123
Conduct in any condition of visibility45678910
Vessels in sight of one another1112131415161718
Restricted visibility19
Lights and shapes202122232425262728293031
Sound and light signals323334353637
Exemptions38
Verification of compliance394041
IALAGMDSSExams

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  • Chart RoomChartwork and coastal navigation
  • Celestial NavigationAstronomical navigation
  • Radio StationGMDSS radio
  • Met DeskMarine weather
  • Engine RoomMachinery and plant operation
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  • Fishing SonarFish finding
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IALACOLREG

A smooth sea never made a skilled sailor.

English proverb
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