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
1/33
0✓
Which option best reflects Rule 37 — Distress Signals?
A
In restricted visibility, vessels detected by radar alone must take avoiding action in ample time.
B
Every vessel shall have due regard to the prevailing circumstances and conditions of restricted visibility when applying Rules 4 to 10.
C
Annex IV recognizes both traditional visual signals and modern radio distress alerts.
D
Extra lighting is only acceptable if it cannot be mistaken for the prescribed lights or degrade them.