Ancillaries
Rudder Angle Indicator - MD74RDI
A four digit, digital rudder angle indicator, which accepts a digital input of NMEA 0183 from the Rudder Angle Transmitter(MD61)

Power Supply - MD81/24
Ships Power supply which accepts main and standby power. It monitors and automatically switches over to standby supply should the main power supply fail. This is an IMO requirement for essential systems.