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
Exam
1/20
20:00
For a vessel of 50m or more, the masthead light must be visible at:
A
3 nautical miles
B
5 nautical miles
C
6 nautical miles
D
8 nautical miles
