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
1/20
0✓
Listen to the signal. What does it mean?
A
Distress — gun or other explosive signal at ~1 min intervals
B
Distress — SOS in Morse code, three short / three long / three short
C
Doubt or danger — I do not understand your intentions
D
Distress — continuous sounding of any fog-signal apparatus