46 C.F.R. § 113.40-10 Detailed requirements.
Title 46 - Shipping
(a) Each rudder angle indicator system must have a transmitter at the rudder head that is actuated by movement of the rudder with the angular movements of the rudder transmitted to a remote indicator or indicators. This system must be independent of all other systems and not receive power or signal from the steering gear control, autopilot, or dynamic positioning systems. However, the indicator may be physically located on a control console, such as an integrated bridge system, if it is readily visible by the helmsman at the steering stand. (b) Each electric component or its enclosure must meet NEMA 250 Type 4 or 4X or IEC IP 56 requirements. [CGD 74–125A, 47 FR 15272, Apr. 8, 1982, as amended by CGD 94–108, 61 FR 28290, June 4, 1996; 62 FR 23910, May 1, 1997]
Title 46: Shipping
PART 113—COMMUNICATION AND ALARM SYSTEMS AND EQUIPMENT
Subpart 113.40—Rudder Angle Indicator Systems
§ 113.40-10 Detailed requirements.
