When a vessel is in distress and requires assistance she shall use or exhibit the signals described in Annex IV to these Regulations.
Part D
Rule 37 — Distress Signals
A vessel in distress uses the signals in Annex IV.
Part D — Sound and light signals. Manoeuvring signals, fog signals and distress signals.
distresssignals
Reference only. Always navigate using the current official publication of the regulations and any local rules that apply.