46 CFR § 58.30-50 - Requirements for miscellaneous fluid power and control systems.

---
identifier: "/us/cfr/t46/s58.30-50"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 58.30-50 - Requirements for miscellaneous fluid power and control systems."
title_number: 46
title_name: "Shipping"
section_number: "58.30-50"
section_name: "Requirements for miscellaneous fluid power and control systems."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "F"
subchapter_name: "MARINE ENGINEERING"
part_number: "58"
part_name: "MAIN AND AUXILIARY MACHINERY AND RELATED SYSTEMS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "43 U.S.C. 1333; 46 U.S.C. 3306, 3703; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; DHS Delegation No. 00170.1, Revision No. 01.4."
regulatory_source: "CGFR 68-82, 33 FR 18878, Dec. 18, 1968, unless otherwise noted."
cfr_part: "58"
---


# 58.30-50 Requirements for miscellaneous fluid power and control systems.

(a) All fluid power and control systems installed on a vessel, except those listed in § 58.30-1(a), must meet the following requirements:

(1) Diagrams of the system providing the information required by § 58.30-40(a)(1) through (4) must be submitted. These are not approved but are needed for records and for evaluation of the system in accordance with § 58.30-1(a)(14).

(2) The hydraulic fluid used in the system must comply with § 58.30-10.

(3) The installed system must be tested in accordance with § 58.30-35(c)(2).

(4) All pneumatic cylinders must comply with § 58.30-30.

(5) Additional plans may be required for “fail-safe” equipment and for cargo hatch systems with alternate means of operation.

(b) [Reserved]