46 CFR § 177.1020 - Strength.

---
identifier: "/us/cfr/t46/s177.1020"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 177.1020 - Strength."
title_number: 46
title_name: "Shipping"
section_number: "177.1020"
section_name: "Strength."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "T"
subchapter_name: "SMALL PASSENGER VESSELS (UNDER 100 GROSS TONS)"
part_number: "177"
part_name: "CONSTRUCTION AND ARRANGEMENT"
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. 2103, 3306; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; DHS Delegation 00170.1, Revision No. 01.4."
regulatory_source: "CGD 85-080, 61 FR 961, Jan. 10, 1996, unless otherwise noted."
cfr_part: "177"
---


# 177.1020 Strength.

Each window, port hole, and its means of attachment to the hull or deck house, must be capable of withstanding the maximum load from wave and wind conditions expected due to its location on the vessel and the authorized route of the vessel.