46 C.F.R. § 113.50-10 Additional requirements for passenger vessels.
Title 46 - Shipping
Each passenger vessel must have a public address system capable of broadcasting separately or collectively to the following stations: (a) Survival craft stations, port. (b) Survival craft stations, starboard. (c) Survival craft embarkation stations, port. (d) Survival craft embarkation stations, starboard. (e) Public spaces used for passenger assembly points. (f) Crew quarters. (g) Accommodation spaces and service spaces. [CGD 94–108, 61 FR 28290, June 4, 1996]
Title 46: Shipping
PART 113—COMMUNICATION AND ALARM SYSTEMS AND EQUIPMENT
Subpart 113.50—Public Address Systems
§ 113.50-10 Additional requirements for passenger vessels.

