47 C.F.R. § 80.1023 Test of radiotelephone installation.
Title 47 - Telecommunication
Unless normal use of the required radiotelephone installation demonstrates that the equipment is in proper operating condition, a test communication for this purpose must be made by a qualified operator each day the vessel is navigated. If the equipment is not in proper operating condition, the master must be promptly notified. The master must have it restored to effective operating condition as soon as possible.
Title 47: Telecommunication
PART 80—STATIONS IN THE MARITIME SERVICES
Subpart U—Radiotelephone Installations Required by the Bridge-to-Bridge Act
§ 80.1023 Test of radiotelephone installation.