46 CFR § 177.620 - Ventilation of machinery and fuel tank spaces.

---
identifier: "/us/cfr/t46/s177.620"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 177.620 - Ventilation of machinery and fuel tank spaces."
title_number: 46
title_name: "Shipping"
section_number: "177.620"
section_name: "Ventilation of machinery and fuel tank spaces."
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"
---


# 177.620 Ventilation of machinery and fuel tank spaces.

In addition to the requirements of this subpart, ventilation systems for spaces containing machinery or fuel tanks must comply with the requirements of part 182 of this chapter.