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Cargo
RYOAN MARU NO.27
MMSI 431005402 · Call sign JD3700
Not yet on Master's MateType
Cargo
Flag
JPNLength
75 m
Beam
12 m
Draft
3.8 m
Call sign
JD3700
IMO
9725354
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
53
RYOAN MARU NO.27 is a freighter flagged in Japan, 75 metres long. Her hull carries a beam measuring 12 metres and a draft of 3.8 m. She's on record as MMSI 431005402, call sign JD3700, IMO 9725354. Add RYOAN MARU NO.27 to the Master's Mate Safety Initiative Network and share the water with a fleet that's paying attention — free.
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Eyes on RYOAN MARU NO.27, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
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Last known position · Jun 4, 2026
Position
38.4195° N, 141.2683° E
Transiting the Sea of Japan? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put RYOAN MARU NO.27 on the map. It hands you the full bridge:
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
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About RYOAN MARU NO.27
What kind of vessel is RYOAN MARU NO.27?
RYOAN MARU NO.27 is a Cargo flagged to Japan.
Where was RYOAN MARU NO.27 last seen?
RYOAN MARU NO.27 was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is RYOAN MARU NO.27's MMSI?
RYOAN MARU NO.27's MMSI is 431005402. Call sign JD3700. IMO 9725354.
How big is RYOAN MARU NO.27?
RYOAN MARU NO.27 is about 75 m long, 12 m on the beam, drawing 3.8 m.
Is RYOAN MARU NO.27 on the Master's Mate Safety Initiative Network?
Not yet. If RYOAN MARU NO.27 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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