47 C.F.R. § 80.957 Principal operating position.
Title 47 - Telecommunication
(a) The principal operating position of the radiotelephone installation must be on the bridge, convenient to the conning position. (b) When the radiotelephone station is not located on the bridge, operational control of the equipment must be provided at the location of the radiotelephone station and at the bridge operating position. Complete control of the equipment at the bridge operating position must be provided.
Title 47: Telecommunication
PART 80—STATIONS IN THE MARITIME SERVICES
Subpart T—Radiotelephone Installation Required for Vessels on the Great Lakes
§ 80.957 Principal operating position.