46 CFR § 131.570 - Quarterly inspections.

---
identifier: "/us/cfr/t46/s131.570"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 131.570 - Quarterly inspections."
title_number: 46
title_name: "Shipping"
section_number: "131.570"
section_name: "Quarterly inspections."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "L"
subchapter_name: "OFFSHORE SUPPLY VESSELS"
part_number: "131"
part_name: "OPERATIONS"
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); 46 U.S.C. 3306, 6101, 10104; E.O. 12234, 3 CFR, 1980 Comp., p. 277; E.O. 12777, 3 CFR, 1991 Comp., p. 351; DHS Delegation No. 00170.1, Revision No. 01.4. Section 131.990 also issued under sec. 617, Pub. L. 111-281, 124 Stat. 2905."
regulatory_source: "CGD 82-004 and CGD 86-074, 62 FR 49340, Sept. 19, 1997, unless otherwise noted."
cfr_part: "131"
---


# 131.570 Quarterly inspections.

(a) Each apparatus that controls a lifeboat winch, including motor controllers, emergency switches, master switches, and limit switches, must be inspected once each 3 months.

(b) The inspection must involve the removal of drain plugs and the opening of drain valves to ensure that enclosures are free of water.

(c) The date of the inspection required by this section and the condition of the equipment must be entered in the vessel's logbook.