Title 46: Shipping
PART 58—MAIN AND AUXILIARY MACHINERY AND RELATED SYSTEMS
Subpart 58.25—Steering Gear
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§ 58.25-25 Indicating and alarm systems.
(a) Indication of the rudder angle must be provided both at the main steering station in the pilothouse and in the steering-gear compartment. The rudder-angle indicator must be independent of control systems for steering gear.
(b) Each electric-type rudder-angle indicator must comply with §113.40–10 of this chapter and, in accordance with §112.15–5(h) of this chapter, draw its power from the source of emergency power.
(c) On each vessel of 1,600 gross tons or over, a steering-failure alarm must be provided in the pilothouse in accordance with §§113.43–3 and 113.43–5 of this chapter.
(d) An audible and a visible alarm must activate in the pilothouse upon—
(1) Failure of the electric power to the control system of any steering gear;
(2) Failure of that power to the power unit of any steering gear; or
(3) Occurrence of a low oil level in any oil reservoir of a hydraulic, power-operated steering-gear system.
(e) An audible and a visible alarm must activate in the machinery space upon—
(1) Failure of any phase of a three-phase power supply;
(2) Overload of any motor described by §58.25–55(c); or
(3) Occurrence of a low oil level in any oil reservoir of a hydraulic, power-operated steering-gear system.
Note: See §62.50–30(f) of this subchapter regarding extension of alarms to the navigating bridge on vessels with periodically unattended machinery spaces.
(f) Each power motor for the main and auxiliary steering gear must have a “motor running” indicator light in the pilothouse, and in the machinery space, that activates when the motor is energized.
