47 C.F.R. § 80.865 Radiotelephone station clock.
Title 47 - Telecommunication
A clock having a face of at least 12.7 cm (5 in.) in diameter must be mounted in a position that can be observed from the principal operating position. [58 FR 44953, Aug. 25, 1993]
Title 47: Telecommunication
PART 80—STATIONS IN THE MARITIME SERVICES
Subpart R—Compulsory Radiotelephone Installations for Vessels 300 Gross Tons
§ 80.865 Radiotelephone station clock.