⚓ Working on this equipment?
Ask the AI troubleshooter, log your hours on board and turn them into invoice-ready service reports — for this exact model.
Start free — 14 days →
No credit card required
JRC
JMA-7122
The JRC JMA-7122 is a marine radar operating in the S‑Band (3 GHz) delivering up to 12 kW peak power for a maximum detection range of about 96 nautical miles, providing long‑range situational awareness especially in adverse weather.
12 kW / 96 NM
Capacity
Navigation Data / Sensor
Medium
Components & Design
Component data being added…
Technical Data
frequency
S-Band 3 GHz
power output
12 kW
range nm
96
🤖 Ask about this model
One free question — answered like a marine engineer. No account needed.
Common failures & inspection points
●Magnetron degradation
●Scanner gearbox noise
●Display color calibration drift
Service & Maintenance
Lower-powered S-Band option. Annual waveguide inspection recommended.
Suppliers & Spare Parts
Direct links to manufacturer, datasheet, spare-parts portal and dealers — request access below.
📄 Request sourcing links & documents🛠 Manage this equipment in your fleet
Cases, daily reports, timesheets and AI troubleshooting in the OceanSphere Marine app — free for 14 days.
Start free trial →🔎 Suppliers & service for this equipment
Find manufacturers, repair shops and spare-part dealers in the Maritime Network — our global company directory.
Maritime Network →Replacement Parts
JRC: Ersatzteile per Hersteller-Netzwerk. Lead time: 1-4 Wochen. Backup-Systeme an Bord pflichtgemäß.
Working on this unit?
Log hours, photos and findings into an invoice-ready service report — OceanSphere Marine, 14-day free trial.
Need a service partner for JRC?
114,000+ shipyards, suppliers and service companies in the Maritime Network directory.
Equipment Model #681
· ✓ still in production