46 CFR § 143.550 - Steering systems.

---
identifier: "/us/cfr/t46/s143.550"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 143.550 - Steering systems."
title_number: 46
title_name: "Shipping"
section_number: "143.550"
section_name: "Steering systems."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "M"
subchapter_name: "TOWING VESSELS"
part_number: "143"
part_name: "MACHINERY AND ELECTRICAL SYSTEMS AND EQUIPMENT"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 3103, 3301, 3306, 3308, 3316, 8104, 8904; 33 CFR 1.05; DHS Delegation No. 0170.1."
regulatory_source: "USCG-2006-24412, 81 FR 40101, June 20, 2016, unless otherwise noted."
cfr_part: "143"
---


# 143.550 Steering systems.

(a) Steering systems must meet ABS Rules for Building and Classing Steel Vessels under 90 Meters (295 Feet) in Length (incorporated by reference, see § 136.112 of this subchapter), Part 4, Chapter 3, Section 3.

(b) Steering systems on new towing vessels operating exclusively on rivers or intracoastal waterways may meet ABS Rules for Building and Classing Steel Vessels for Service on Rivers and Intracoastal Waterways (incorporated by reference, see § 136.112 of this subchapter), Part 4, Chapter 2, Section 3.