Singapore legislation
Regulation 18
of Maritime and Port Authority of Singapore (Port) Regulations
Regulation 18
Use of sound signals in port
Amended byS 518/2017 wef 18/09/2017
The owner, agent, master or person-in-charge of a vessel must use, or permit the use of, only the sound signals specified in the International Code of Signals, the Collision Regulations or the First Schedule.