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
MASUEI MARU NO41
Japan · last seen 35°N 135°E · Jun 2026 · MMSI 431301814
Not yet on Master's MateFlag
JPNFirst reported
Jun 2026
Last reported
Jun 2026
AIS reports
56
On the Japanese registry, MASUEI MARU NO41 is a boat. Her registration reads MMSI 431301814. Give MASUEI MARU NO41 the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card
Is MASUEI MARU NO41 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
Last known position · Jun 15, 2026
Position
34.6475° N, 135.4799° E
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 MASUEI MARU NO41 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 MASUEI MARU NO41 and switch it all on
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About MASUEI MARU NO41
What kind of vessel is MASUEI MARU NO41?
MASUEI MARU NO41 is a vessel flagged to Japan.
Where was MASUEI MARU NO41 last seen?
MASUEI MARU NO41 was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is MASUEI MARU NO41's MMSI?
MASUEI MARU NO41's MMSI is 431301814.
Is MASUEI MARU NO41 on the Master's Mate Safety Initiative Network?
Not yet. If MASUEI MARU NO41 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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