"> JRC / Japan Radio Co. (Japan) JMA-5300 Series
⚓ 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 / Japan Radio Co. (Japan)

JMA-5300 Series

JRC (Japan Radio Company, Tokyo, founded 1915) is the second-largest marine radar manufacturer after Furuno with approximately 20% market share. The JMA-5300 series is JRC's current commercial ship radar line. Particularly widespread on Japanese and Korean newbuilds as an alternative to Furuno.

X-Band / S-Band, 25-250 kW
Capacity
24V DC / 100-230V AC
Voltage
Electromagnetic Radar
Medium

Components & Design

Component data being added…

Technical Data

type Marine Radar (X-Band / S-Band, ARPA)
variant count approx 4
period start year 2015
drive type Electric
construction Slotted waveguide antenna, solid-state or magnetron

🤖 Ask about this model

One free question — answered like a marine engineer. No account needed.

Common failures & inspection points

Magnetron end-of-life
Antenna motor bearing wear
Display processor failures
Heading sensor interface issues

Service & Maintenance

Magnetron replacement per running hours. Antenna bearing annually. Performance monitor weekly. Annual survey.

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 global network. Lead time: 1-3 weeks. Good availability in Asia.
Equipment Model #37902 · ✓ still in production