---
kind: "section"
citation: "46 C.F.R. § 108.405"
title: "46"
number: "108.405"
heading: "Fire detection system."
url: "https://uscodex.org/cfr/46/108.405"
---

# §108.405. Fire detection system.

- (a) **Each fire detection system and each smoke detection system on a unit must—**
  - (1) Be approved by the Commandant in accordance with [46 CFR 161.002](/cfr/46/161.002.md); and
  - (2) Have a visual alarm and an audible alarm in the pilothouse or at a normally manned control station for the system.
- (b) Each fire detection system must be divided into zones to limit the area covered by any particular alarm signal.
- (c) **Each visual alarm must—**
  - (1) Have a chart or diagram next to the alarm that shows the location of the zones in the system and that contains the instructions for operating, and testing the system;
  - (2) When activated show the zone in the system where fire has been detected; and
  - (3) **Be in a noticeable location in the pilothouse or control station.**

## Notes

### Amendments

[CGD 73-251, 43 FR 56808, Dec. 4, 1978, USCG-2012-0196, 81 FR 48266, July 22, 2016]

### Authority

Authority: 43 U.S.C. 1333; 46 U.S.C. 3102, 3306; DHS Delegation No. 00170.1, Revision No. 01.4.

### Source

Source: CGD 73-251, 43 FR 56808, Dec. 4, 1978, unless otherwise noted.

### Amendments

[CGD 73-251, 43 FR 56808, Dec. 4, 1978, USCG-2012-0196, 81 FR 48266, July 22, 2016]