46 CFR § 177.1030 - Operating station visibility.

---
identifier: "/us/cfr/t46/s177.1030"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 177.1030 - Operating station visibility."
title_number: 46
title_name: "Shipping"
section_number: "177.1030"
section_name: "Operating station visibility."
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"
---


# 177.1030 Operating station visibility.

(a) Windows and other openings at the operating station must be of sufficient size and properly located to provide an adequate view for safe navigation in all operating conditions.

(b) Glass or other glazing material used in windows at the operating station must have a light transmission of not less than 70 percent according to Test 2 of ANSI Z 26.1 (incorporated by reference, see 46 CFR 175.600) and must comply with Test 15 of ANSI Z 26.1 for Class I Optical Deviation.

[CGD 85-080, 61 FR 961, Jan. 10, 1996, as amended by USCG-2003-16630, 73 FR 65206, Oct. 31, 2008]