Each manned deepwater port must have a radio, telephone, or other means of emergency communication with the shore, vessels, and facilities in the vicinity in the event the primary communications system outlined in Sec. 149.140 of this part fails. This communication equipment must have an emergency power source. [USCG-1998-3884, 71 FR 57651, Sept. 29, 2006, as amended by USCG-2013-0397, 78 FR 39179, July 1, 2013]