Section 149.675 - What are the requirements for the public address system?(a) For a manned deepwater port, each pumping platform complex must have a public address system operable from two locations on the complex.(b) For an unmanned deepwater port, the vessel master must provide a working public address system on a vessel while it is moored or otherwise connected to the deepwater port.USCG-1998-3884, 71 FR 57651, Sept. 29, 2006, as amended by USCG-2013-0397, 78 FR 39180, July 1, 2013