---
kind: "section"
citation: "46 C.F.R. § 62.35-40"
title: "46"
number: "62.35-40"
heading: "Fuel systems."
url: "https://uscodex.org/cfr/46/62.35-40"
---

# §62.35-40. Fuel systems.

- (a) **Level alarms.** Where high or low fuel tank level alarms are required, they must be located to allow the operator adequate time to prevent an unsafe condition.
- (b) **Coal fuels.**
  - (1) **Controls and instrumentation for coal systems require special consideration by the Commandant.**
  - (2) Interlocks must be provided to ensure a safe transfer of machinery operation from one fuel to another.
- (c) **Automatic fuel heating.** Automatic fuel heating must meet [section 4-9-3](/cfr/46/4-9-3.md)/15.1 of the ABS Marine Vessel Rules (incorporated by reference; see [§ 62.05-1](/cfr/46/62.05-1.md)).
- (d) **Overflow prevention.** Fuel oil day tanks, settlers, and similar fuel oil service tanks that are filled automatically or by remote control must be provided with a high-level alarm that annunciates in the machinery spaces and either an automatic safety trip control or an overflow arrangement.

## Notes

### Amendments

[CGD 81-030, 53 FR 17838, May 18, 1988, as amended by CGD 95-072, 60 FR 50463, Sept. 29, 1995; CGD 96-041, 61 FR 50728, Sept. 27, 1996; USCG-2003-16630, 73 FR 65190, Oct. 31, 2008; USCG-2009-0702, 74 FR 49229, Sept. 25, 2009]

### Source

Source: CGD 81-030, 53 FR 17838, May 18, 1988, as amended by USCG-2020-0634, 89 FR 50192, June 12, 2024, unless otherwise noted.

### Authority

Authority: 46 U.S.C. 3306, 3703, 8105; sec. 617, Pub. L. 111-281, 124 Stat. 2905; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; DHS Delegation No. 00170.1, Revision No. 01.4.

### Source

Source: CGD 81-030, 53 FR 17838, May 18, 1988, unless otherwise noted.

### Amendments

[CGD 81-030, 53 FR 17838, May 18, 1988, as amended by CGD 95-072, 60 FR 50463, Sept. 29, 1995; CGD 96-041, 61 FR 50728, Sept. 27, 1996; USCG-2003-16630, 73 FR 65190, Oct. 31, 2008; USCG-2009-0702, 74 FR 49229, Sept. 25, 2009]