---
kind: "section"
citation: "46 C.F.R. § 143.590"
title: "46"
number: "143.590"
heading: "Propulsor redundancy on vessels that move tank barges carrying oil or hazardous material in bulk."
url: "https://uscodex.org/cfr/46/143.590"
---

# §143.590. Propulsor redundancy on vessels that move tank barges carrying oil or hazardous material in bulk.

- (a) A towing vessel must be provided with at least two independent propulsors unless the requirements of [§ 143.595](/cfr/46/143.595.md) are met.
- (b) There must be independent controls for each propulsor at each operating station.
- (c) In the event of a failure of a single propulsor, the remaining propulsor(s) must have sufficient power to maneuver the vessel to a safe location.

## 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.