46 CFR § 154.705 - Cargo boil-off as fuel: General.

---
identifier: "/us/cfr/t46/s154.705"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 154.705 - Cargo boil-off as fuel: General."
title_number: 46
title_name: "Shipping"
section_number: "154.705"
section_name: "Cargo boil-off as fuel: General."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "O"
subchapter_name: "CERTAIN BULK DANGEROUS CARGOES"
part_number: "154"
part_name: "SAFETY STANDARDS FOR SELF-PROPELLED VESSELS CARRYING BULK LIQUEFIED GASES"
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. 3703, 9101; Department of Homeland Security Delegation No. 0170.1."
regulatory_source: "CGD 74-289, 44 FR 26009, May 3, 1979, unless otherwise noted."
cfr_part: "154"
---


# 154.705 Cargo boil-off as fuel: General.

(a) Each cargo boil-off fuel system under § 154.703(c) must meet §§ 154.706 through 154.709.

(b) The piping in the cargo boil-off fuel system must have a connection for introducing inert gas and for gas freeing the piping in the machinery space.

(c) A gas fired main propulsion boiler or combustion engine must have a fuel oil fired pilot that maintains fuel flow as required under § 154.1854 if the gas fuel supply is cut-off.