Master's MateSafety Initiative Network
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.
Cargo
SANSHU MARU
MMSI 431000879 · Call sign JD2889
Not yet on Master's MateType
Cargo
Flag
JPNLength
74 m
Beam
12 m
Draft
5 m
Call sign
JD2889
IMO
8743282
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
52
SANSHU MARU is a Japanese cargo carrier — 74 metres overall. SANSHU MARU has a 12 m beam and a 5-metre draft. She's on record as MMSI 431000879, call sign JD2889, IMO 8743282. Add SANSHU MARU to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card · for commercial operators
Eyes on SANSHU MARU, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 4, 2026
Position
38.3252° N, 141.3341° E
Transiting the Sea of Japan? You're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
Free with your claim · for commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SANSHU MARU 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 SANSHU MARU and switch it all on
Free to join · nothing to install to start · cancel anytime
About SANSHU MARU
What kind of vessel is SANSHU MARU?
SANSHU MARU is a Cargo flagged to Japan.
Where was SANSHU MARU last seen?
SANSHU MARU was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is SANSHU MARU's MMSI?
SANSHU MARU's MMSI is 431000879. Call sign JD2889. IMO 8743282.
How big is SANSHU MARU?
SANSHU MARU is about 74 m long, 12 m on the beam, drawing 5 m.
Is SANSHU MARU on the Master's Mate Safety Initiative Network?
Not yet. If SANSHU MARU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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