Skip to main content
IALA
COLREG
COLREG
IALA
Lights
GMDSS
Language
EN
ES
CA
Quick sprint
Sign in
1/30
0✓
Which option best reflects Rule 37 — Distress Signals?
A
≥ 100 m: gong added (in addition to whistle and bell).
B
Gong is never sounded alone: it always *follows* the bell, on vessels ≥ 100 m.
C
The vessel being overtaken answers with one prolonged, one short, one prolonged and one short if she agrees.
D
Annex IV recognizes both traditional visual signals and modern radio distress alerts.