Heading Control System · Autopilot & Bridge Systems
MacTaggart Scott MSG 50kNm Rotary — Autopilot & Bridge Systems. As a Heading Control System, it is normally installed on the bridge with interfaces to the gyro or heading sensor, steering gear and navigation controls. In that role, its primary purpose is to command steering corrections that maintain a selected heading or track-related steering objective. Autopilot and heading-control variants differ in integration and control algorithms, but all close a steering loop using heading input, rudder feedback and steering commands. For exact ratings, dimensions, settings, capacities, materials and variant-specific limits, refer to the manufacturer documentation for the exact figure.
What our service work and the manufacturer documentation say about keeping this model running.
Verify heading input, rudder feedback, mode selection, steering response, alarms and changeover to manual steering. Check interfaces to gyro, steering gear and navigation systems and review unexpected rudder activity or fault history. Test automatic and manual changeover under the approved bridge procedure. Refer to the manufacturer documentation for the exact figure for tuning and acceptance criteria.
Carry fuses, control relays, heading or rudder-interface modules, operator controls, power-supply modules and backed-up configuration information where supported.
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