46 CFR §58.25-25

1. (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.
2. (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.
3. (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.
4. (d)An audible and a visible alarm must activate in the pilothouse upon—
   1. (1)Failure of the electric power to the control system of any steering gear;
   2. (2)Failure of that power to the power unit of any steering gear; or
   3. (3)Occurrence of a low oil level in any oil reservoir of a hydraulic, power-operated steering-gear system.
5. (e)An audible and a visible alarm must activate in the machinery space upon—
   1. (1)Failure of any phase of a three-phase power supply;
   2. (2)Overload of any motor described by § 58.25-55(c); or
   3. (3)Occurrence of a low oil level in any oil reservoir of a hydraulic, power-operated steering-gear system.
6. (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.