"> JRC (Japan Radio Co) JMA-9133SA 12ft
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JRC (Japan Radio Co)

JMA-9133SA 12ft

JRC (Japan Radio Co) JMA-9133SA 12ft is listed in the source as a marine Radar within the Radar & ECDIS group. Equipment of this type is typically installed on the bridge, with the antenna or scanner arranged in a clear position above deck and the operator equipment at the navigation console. Its primary duty is surface-target detection, collision-avoidance support and navigation awareness, and it relies on the sensor or scanner, signal processing, heading and position inputs, display functions and shipboard power working as one chain. Neighboring variants can differ in rating, size, interface, approval basis or arrangement, so the complete model designation and actual nameplate data are important for identification. It normally interfaces with ship power, heading input, position data, speed data and bridge alarms or network interfaces as fitted. For any exact capacity, pressure, voltage, tolerance, wear limit or setting not stated in the source, refer to the manufacturer documentation for the exact figure.

Components & Design

Component data being added…

Technical Data

antenna size 12ft
imo compliant True

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Common failures & inspection points

Scanner or antenna drive, transmitter or front-end deterioration caused by wear, contamination or electrical faults can produce weak echoes, missing targets or scanner alarms
Loss or corruption of heading or position input caused by sensor, cabling or network faults can give misaligned overlays, unstable vectors or data-invalid indications
Moisture, salt contamination or connector corrosion in exposed antenna and cable runs can cause intermittent operation, noise or loss of signal
Display, processor or power-supply faults caused by component ageing or poor ventilation can result in resets, blank screens or repeated fault messages
Incorrect setup or degraded tuning caused by configuration changes or sensor replacement can show as poor target definition, offset data or inconsistent performance

Service & Maintenance

Inspect scanner or antenna condition, cable entries, connectors, cooling paths, power supplies and bridge interfaces. Verify that heading, position and speed inputs are valid and that built-in alarms and test functions behave correctly. Check configuration and performance against the vessel's approved records and refer to the manufacturer documentation for exact test limits.

Suppliers & Spare Parts

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Replacement Parts

Carry the maker-recommended consumables and critical replaceable items appropriate to the installed configuration, such as fuses, filters, fans, interface modules, approved connectors and other line-replaceable units where the vessel's maintenance plan requires them.
Equipment Model #126902 · ✓ still in production