---
kind: "section"
citation: "46 C.F.R. § 182.530"
title: "46"
number: "182.530"
heading: "Bilge high level alarms."
url: "https://uscodex.org/cfr/46/182.530"
---

# §182.530. Bilge high level alarms.

- (a) On a vessel of at least 7.9 meters (26 feet) in length, a visual and audible alarm must be provided at the operating station to indicate a high water level in each of the following normally unmanned spaces:
  - (1) A space with a through-hull fitting below the deepest load waterline, such as a lazarette;
  - (2) A machinery space bilge, bilge well, shaft alley bilge, or other spaces subject to flooding from sea water piping within the space; and
  - (3) **A space with a non-watertight closure, such as a space with a non-watertight hatch on the main deck.**
- (b) Vessels constructed of wood must, in addition to [paragraph (a)](#a), provide bilge level alarms in all watertight compartments except small buoyancy chambers.
- (c) A visual indicator must be provided at the operating station to indicate when any automatic bilge pump is operating.

## Notes

### Authority

Authority: 46 U.S.C. 3306; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; DHS Delegation No. 00170.1, Revision No. 01.4.

### Source

Source: CGD 85-080, 61 FR 986, Jan. 10, 1996, unless otherwise noted.
