CFR > Title 46 > Chapter I > Subchapter J > Part 113 > Subpart 113.50 CFR > Title 46 > Chapter I > Subchapter J > Part 113 > Subpart 113.50 – Public Address Systems Current as of: 2024 | Check for updates | Other versions § 113.50-1 Applicability § 113.50-5 General requirements § 113.50-10 Additional requirements for passenger vessels § 113.50-15 Loudspeakers § 113.50-20 Distribution of cable runs