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.
Vessel
MUTSU MARU
Japan · last seen 35°N 140°E · Jun 2026 · MMSI 431027628
Not yet on Master's MateFlag
JPNFirst reported
Jun 2026
Last reported
Jun 2026
AIS reports
36
Registered in Japan, MUTSU MARU is a boat. She's listed under MMSI 431027628. Bring MUTSU MARU aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card
Is MUTSU MARU your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 15, 2026 12:48 UTC
Position
35.4427° N, 139.6807° E
Status
Under way (engine)
Speed
3.7 kn
Course
27°
Crossing 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
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put MUTSU MARU on the map. It hands you the full bridge:
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
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.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim MUTSU MARU and switch it all on
Free to join · nothing to install to start · cancel anytime
About MUTSU MARU
What kind of vessel is MUTSU MARU?
MUTSU MARU is a vessel flagged to Japan.
Where was MUTSU MARU last seen?
MUTSU MARU was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is MUTSU MARU's MMSI?
MUTSU MARU's MMSI is 431027628.
Is MUTSU MARU on the Master's Mate Safety Initiative Network?
Not yet. If MUTSU MARU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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