Skip to main content
IALA
COLREG
COLREG
IALA
Lights
Sounds
GMDSS
Language
EN
ES
CA
DE
FR
IT
PT
NL
EL
HR
PT-BR
Quick sprint
Sign in
Quiz — COLREG Rules
1/44
0✓
A vessel not under command (NUC) displays:
A
Two all-round green lights vertically
B
Two all-round red lights vertically
C
Three all-round red lights vertically
D
Red over white over red all-round lights