33 C.F.R. § 149.140 What communications equipment must be on a deepwater port?
Title 33 - Navigation and Navigable Waters
(a) Each deepwater port must have the following communications equipment: (1) A means of continuous two-way voice communication among the deepwater port and the tankers, support vessels, and other vessels operating at the port. The means must be usable and effective in all phases of a transfer and in all conditions of weather at the port; (2) A means to effectively indicate the need to use the communication system required by paragraph (a) of this section, even if the means is the communication system itself; and (3) Equipment that, for each portable means of communication used to meet the requirements of this section, is: (i) Certified under 46 CFR 111.105–11 to be operated in Group D, Class 1, Division 1 Atmosphere; and, (ii) Permanently marked with the certification required in paragraph (a)(3)(i) of this section. As an alternative to this marking requirement, a document certifying that the portable radio devices in use are in compliance with this section may be kept at the deepwater port. (b) The communication system of the tank ship mooring at an unmanned port will be deemed the primary means of communicating with support vessels, shore side, etc.
Title 33: Navigation and Navigable Waters
PART 149—DEEPWATER PORTS: DESIGN, CONSTRUCTION, AND EQUIPMENT
Subpart B—Pollution Prevention Equipment
§ 149.140 What communications equipment must be on a deepwater port?

