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The Master's Mate Safety Initiative Network (MMSIn) — like AAA for the ocean, but free & community-driven. Cruisers keeping each other safe: anchor-drag & distress alerts, a verified captains directory, and a watch network that has your back.
Tanker
WAKAYOSHI MARU NO.3
MMSI 431007002 · Call sign JD3947
Not yet on Master's MateType
Tanker
Flag
JPNLength
64 m
Beam
10 m
Draft
3.5 m
Call sign
JD3947
IMO
9774381
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
27
On the Japanese registry, WAKAYOSHI MARU NO.3 is a 64-metre tank ship. She carries 10 metres in the beam and a 3.5 m draft. She's listed under MMSI 431007002, call sign JD3947, IMO 9774381. The Master's Mate Safety Initiative Network welcomes WAKAYOSHI MARU NO.3 — free to join, cruiser-run, and always on watch.
Free forever · No credit card · for commercial operators
Eyes on WAKAYOSHI MARU NO.3, 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 2, 2026
Position
35.9241° N, 140.6651° 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 WAKAYOSHI MARU NO.3 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.
Claim WAKAYOSHI MARU NO.3 and switch it all on
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About WAKAYOSHI MARU NO.3
What kind of vessel is WAKAYOSHI MARU NO.3?
WAKAYOSHI MARU NO.3 is a Tanker flagged to Japan.
Where was WAKAYOSHI MARU NO.3 last seen?
WAKAYOSHI MARU NO.3 was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is WAKAYOSHI MARU NO.3's MMSI?
WAKAYOSHI MARU NO.3's MMSI is 431007002. Call sign JD3947. IMO 9774381.
How big is WAKAYOSHI MARU NO.3?
WAKAYOSHI MARU NO.3 is about 64 m long, 10 m on the beam, drawing 3.5 m.
Is WAKAYOSHI MARU NO.3 on the Master's Mate Safety Initiative Network?
Not yet. If WAKAYOSHI MARU NO.3 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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