46 CFR § 111.05-9
Masts
April 15, 2021
Each nonmetallic mast and topmast must have a lightning-ground conductor in accordance with section 10 of IEC 60092-401 (incorporated by reference; see 46 CFR 110.10-1).
[USCG-2003-16630, 73 FR 65196, Oct. 31, 2008, as amended by USCG-2013-0671, 78 FR 60153, Sept. 30, 2013]