33 CFR § 157.410 - Emergency lightering requirements for oil tankers.

---
identifier: "/us/cfr/t33/s157.410"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 157.410 - Emergency lightering requirements for oil tankers."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "157.410"
section_name: "Emergency lightering requirements for oil tankers."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "O"
subchapter_name: "POLLUTION"
part_number: "157"
part_name: "RULES FOR THE PROTECTION OF THE MARINE ENVIRONMENT RELATING TO TANK VESSELS CARRYING OIL IN BULK"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "33 U.S.C. 1903; 46 U.S.C. 3703, 3703a (note); Department of Homeland Security Delegation No. 0170.1. Subparts G, H, and I are also issued under section 4115(b), Pub. L. 101-380, 104 Stat. 520; Pub. L. 104-55, 109 Stat. 546."
regulatory_source: "CGD 74-32, 40 FR 48283, Oct. 14, 1975, unless otherwise noted."
cfr_part: "157"
---


# 157.410 Emergency lightering requirements for oil tankers.

Each oil tanker, to which this subpart applies, shall carry the equipment listed in paragraphs (a), (b), and (c) of this section. This equipment shall be located on the main deck, in the cargo control room, in the pump room, or in the forecastle locker. This equipment must be protected from the weather and must be stored in one separate and marked location which is as convenient to the cargo manifold, as is practicable.

(a) Reducers, adapters, bolts, washers, nuts, and gaskets to allow at least two simultaneous transfer connections to be made from the vessel's cargo manifold to 15-centimeter (6-inch), 20-centimeter (8-inch), and 25-centimeter (10-inch) cargo hoses. All reducers must be permanently marked with sizes.

(b) One extra set of adapters, bolts, washers, nuts, and gaskets per reducer set must be carried as spares.

(c) Reducers, bolts, and gaskets must meet the requirements of 46 CFR 56.25. Cast iron and malleable iron must not be used.

[CGD 91-045, 59 FR 40188, Aug. 5, 1994, as amended by CGD 91-045, 61 FR 39789, July 30, 1996; USCG-1998-3799, 63 FR 35531, June 30, 1998]