46 CFR § 45.135 - Hull openings at or below freeboard deck.

---
identifier: "/us/cfr/t46/s45.135"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 45.135 - Hull openings at or below freeboard deck."
title_number: 46
title_name: "Shipping"
section_number: "45.135"
section_name: "Hull openings at or below freeboard deck."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "E"
subchapter_name: "LOAD LINES"
part_number: "45"
part_name: "GREAT LAKES LOAD LINES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 5104, 5108; Department of Homeland Security Delegation No. 0170.1."
regulatory_source: "CGD 73-49R, 38 FR 12290, May 10, 1973, unless otherwise noted."
cfr_part: "45"
---


# 45.135 Hull openings at or below freeboard deck.

Closures for hull openings at or below the freeboard deck must be as strong as the structure to which they are attached and must be watertight.