46 C.F.R. § 58.25-60 Non-duplicated hydraulic rudder actuators.
Title 46 - Shipping
Non-duplicated hydraulic rudder actuators may be installed in the steering-gear control systems on each vessel of less than 100,000 deadweight tons. These actuators must meet IMO Assembly Resolution A.467(XII), Guidelines for Acceptance of Non-Duplicated Rudder Actuators for Tankers, Chemical Tankers, and Gas Carriers of 10,000 Tons Gross Tonnage and Above But Less Than 100,000 Tonnes Deadweight, 1981, and be acceptable to the Commanding Officer, Marine Safety Center. Also, the piping for the main gear must comply with §58.25–10(e)(3).
Title 46: Shipping
PART 58—MAIN AND AUXILIARY MACHINERY AND RELATED SYSTEMS
Subpart 58.25—Steering Gear
§ 58.25-60 Non-duplicated hydraulic rudder actuators.
