46 CFR § 53.10-3 - Inspection and tests (modifies HG-500 through HG-540).

---
identifier: "/us/cfr/t46/s53.10-3"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 53.10-3 - Inspection and tests (modifies HG-500 through HG-540)."
title_number: 46
title_name: "Shipping"
section_number: "53.10-3"
section_name: "Inspection and tests (modifies HG-500 through HG-540)."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "F"
subchapter_name: "MARINE ENGINEERING"
part_number: "53"
part_name: "HEATING BOILERS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 3306, 3703; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; Department of Homeland Security Delegation No. 00170.1, Revision No. 01.3."
regulatory_source: "CGFR 68-82, 33 FR 18826, Dec. 18, 1968, as amended by USCG-2020-0634, 89 FR 50102, June 12, 2024, unless otherwise noted."
cfr_part: "53"
---


# 53.10-3 Inspection and tests (modifies HG-500 through HG-540).

(a) The inspections required by HG-500 through HG-540 must be performed by the “Authorized Inspector” as defined in HG-515 of Section IV of the ASME BPVC (incorporated by reference; see § 53.01-1). The Authorized Inspector must hold a valid commission issued by the National Board of Boiler and Pressure Vessel Inspectors. After installation, heating boilers must be inspected for compliance with this part by a marine inspector.

(b) Automatically controlled boilers must be subjected to the operating tests prescribed in part 63 of this subchapter.

(c) All heating boilers must have the operation of their pressure relieving devices checked after the final installation.

[CGD 81-79, 50 FR 9436, Mar. 8, 1985, as amended by USCG-2003-16630, 73 FR 65164, Oct. 31, 2008]