46 CFR § 162.161-5 - Instruction manual for design, installation, operation, and maintenance.

---
identifier: "/us/cfr/t46/s162.161-5"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 162.161-5 - Instruction manual for design, installation, operation, and maintenance."
title_number: 46
title_name: "Shipping"
section_number: "162.161-5"
section_name: "Instruction manual for design, installation, operation, and maintenance."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "Q"
subchapter_name: "EQUIPMENT, CONSTRUCTION, AND MATERIALS: SPECIFICATIONS AND APPROVAL"
part_number: "162"
part_name: "ENGINEERING EQUIPMENT"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "33 U.S.C. 1321(j), 1903; 46 U.S.C. 3306, 3703, 4104, 4302; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; E.O. 12777, 56 FR 54757, 3 CFR, 1991 Comp., p. 351; DHS Delegation 00170.1, Revision No. 01.4."
cfr_part: "162"
---


# 162.161-5 Instruction manual for design, installation, operation, and maintenance.

(a) The manufacturer must prepare a system instruction manual for design, installation, operation, and maintenance of the system. The manual must be reviewed and accepted by an independent laboratory listed in 46 CFR 162.161-10 and approved by the Coast Guard under 46 CFR 159.005-13.

(b) The manual must include:

(1) The design information as required in the Design Manual as detailed in UL 2166 (incorporated by reference, see § 162.161-2) for halocarbon systems and UL 2127 (incorporated by reference, see § 162.161-2) for inert gas systems;

(2) Installation, operation, and maintenance instructions as required in the Installation, Operation, and Maintenance Instruction Manual detailed in UL 2166 for halocarbon systems and UL 2127 for inert gas systems;

(3) Identification of the computer program listed or approved by the independent laboratory for designing the system;

(4) A sample diagram and calculation for a marine system for a large inspected vessel with several spaces to be protected by the same system;

(5) The approval number issued by the Coast Guard for the system under 46 CFR 159.005-13;

(6) A parts list with manufacturer's part numbers and a description of each system component;

(7) An index of chapters; and

(8) Issue and revision dates for each page.

(c) The manufacturer of each system must provide at least one copy of the system manual with each system.