47 C.F.R. § 80.963 Main power supply.
Title 47 - Telecommunication
(a) A main power supply must be available at all times while the vessel is subject to the requirements of the Great Lakes Radio Agreement. (b) Means must be provided for charging any batteries used as a source of energy. A device which during charging of the batteries gives a continuous indication of charging current must be provided.
Title 47: Telecommunication
PART 80—STATIONS IN THE MARITIME SERVICES
Subpart T—Radiotelephone Installation Required for Vessels on the Great Lakes
§ 80.963 Main power supply.
