Part D – Sound and Light Signals

E191674

Part D – Sound and Light Signals is the section of the International Regulations for Preventing Collisions at Sea that prescribes the mandatory sound and light signaling requirements for vessels to ensure safe navigation and collision avoidance.

All labels observed (1)

Label Occurrences
Part D – Sound and Light Signals canonical 2

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf section of international maritime regulations
alsoKnownAs COLREGs
surface form: COLREGs Part D
appliesDuring day
night
restricted visibility conditions
appliesTo power-driven vessels
sailing vessels
vessels aground
vessels at anchor
vessels at sea
vessels constrained by their draught
vessels engaged in fishing
vessels engaged in pilotage
vessels not under command
vessels restricted in their ability to manoeuvre
basedOn recommendations of the International Maritime Organization
defines characteristics of light signals
intervals between sound signals
prolonged blast
short blast
visibility ranges for lights used as signals
enforcedBy flag States
port State control authorities
isMandatory true
jurisdiction international waters
language English
legalStatus binding on contracting governments to the COLREGs
objective provide clear communication of vessel intentions
reduce risk of misunderstanding between vessels
partOf International Regulations for Preventing Collisions at Sea
purpose ensure safe navigation
prevent collisions at sea
standardize light signals
standardize sound signals
regulates distress signals
maneuvering sound signals
meeting and crossing signals
overtaking signals
signals for vessels aground
signals for vessels at anchor
signals in restricted visibility
use of bells
use of flashing lights
use of gongs
use of whistles
warning sound signals
requires carriage of appropriate light signaling appliances
carriage of appropriate sound signaling appliances

How these facts were elicited

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

COLREGs contains Part D – Sound and Light Signals
International Regulations for Preventing Collisions at Sea contains Part D – Sound and Light Signals