Magnetic Compass (TMC) · Position & Heading
Cassens & Plath Standard 135 TMC — Position & Heading. The supplied category identifies the equipment as Magnetic Compass (TMC), and it is normally installed on the bridge with the required external sensors, antennas, displays and data-network interfaces. In that listed role, its primary purpose is to provide navigation, position, heading, speed, depth, traffic or bridge-management information according to the listed category. Radar, ECDIS, gyrocompass, GNSS, speed log, echo sounder and integrated bridge systems use different sensing principles, so calibration and interfaces must match the actual installed equipment. The model designation identifies the listed configuration, but no additional performance, approval or construction detail is inferred from the model code beyond the information supplied in the source record. For exact ratings, dimensions, settings, capacities, materials and variant-specific limits, 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.
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What our service work and the manufacturer documentation say about keeping this model running.
Inspect sensors, antennas, transducers, cabling, power supplies, displays and data interfaces. Compare information with independent references and review alarm history. Verify distribution to dependent bridge systems and confirm approved backup arrangements. Refer to the manufacturer documentation for the exact figure for calibration, alignment and performance criteria.
Carry fuses, interface cables, approved power supplies, sensor or antenna parts and supported display or processor modules, together with backed-up configuration data where applicable.
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