Autopilot System · Autopilot & Bridge Systems
Sperry Marine NaviPilot 4000 is a shipboard unit in the Autopilot & Bridge Systems group, classified in the source as Autopilot System. It is normally installed at the bridge steering console with control/feedback components connected to the steering gear. Its primary duty is to maintain or control vessel heading by processing heading commands and actuating the steering system. In service it interfaces with gyro or heading sensors, rudder-angle feedback, steering gear, control network, bridge selectors and alarms. Compared with neighboring entries in the same product family, this record is the exact Sperry Marine NaviPilot 4000 variant; the model designation should be retained unchanged when matching onboard documentation and spares. For exact limits, settings, test values and approved maintenance criteria, refer to the manufacturer documentation for the exact figure.
Every value below comes from the manufacturer datasheet or class-society record on file for this model.
Other models of the same equipment type, Sperry Marine first.
What our service work and the manufacturer documentation say about keeping this model running.
Verify heading inputs, rudder feedback, steering modes, changeover/interlocks, alarms, controller health and power supplies; conduct steering and autopilot functional tests under safe operating conditions.
Carry critical power supplies, control modules, feedback sensors, interface relays and operator-control components according to the installed system.
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