---
kind: "section"
citation: "46 C.F.R. § 111.05-9"
title: "46"
number: "111.05-9"
heading: "Masts."
url: "https://uscodex.org/cfr/46/111.05-9"
---

# §111.05-9. Masts.


Each nonmetallic mast and topmast must have a lightning-ground conductor in accordance with [section 10](/cfr/46/10.md) of IEC 60092-401:1980 (incorporated by reference; see [§ 110.10-1](/cfr/46/110.10-1.md) of this subchapter).


## Notes

### Amendments

[USCG-2020-0075, 88 FR 16360, Mar. 16, 2023]

### Authority

Authority: 46 U.S.C. 3306, 3703; DHS Delegation No. 00170.1, Revision No. 01.2. Section 111.05-20 and Subpart 111.106 also issued under sec. 617, Pub. L. 111-281, 124 Stat. 2905.

### Source

Source: CGD 74-125A, 47 FR 15236, Apr. 8, 1982, unless otherwise noted.

### Amendments

[USCG-2020-0075, 88 FR 16360, Mar. 16, 2023]