---
kind: "section"
citation: "46 C.F.R. § 143.255"
title: "46"
number: "143.255"
heading: "Fuel system requirements."
url: "https://uscodex.org/cfr/46/143.255"
---

# §143.255. Fuel system requirements.

- (a) Fuel systems for towing vessel main engines and generators must have a documented maintenance plan to ensure proper operation of the system.
- (b) A continuous supply of clean fuel must be provided to main propulsion engines and generators.
- (c) The fuel system must include filters and/or purifiers. Where filters are used:
  - (1) A supply of spare fuel filters must be provided onboard; and
  - (2) Fuel filters must be replaced in accordance with manufacturer's requirements or the vessel's TSMS, if applicable.
- (d) Except as otherwise permitted under [§ 143.210](/cfr/46/143.210.md) or [§ 143.520](/cfr/46/143.520.md), no fuel other than diesel fuel may be used.

## Notes

### Authority

Authority: 46 U.S.C. 3103, 3301, 3306, 3308, 3316, 8104, 8904; 33 CFR 1.05; DHS Delegation No. 0170.1.

### Source

Source: USCG-2006-24412, 81 FR 40101, June 20, 2016, unless otherwise noted.