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
SHINKOMARU NO8
MMSI 431003181
Not yet on Master's MateFlag
JPNLength
79 m
IMO
9632662
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
5
SHINKOMARU NO8, a Japanese craft, measures 79 metres on deck. Her papers read MMSI 431003181, IMO 9632662. SHINKOMARU NO8 can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.
Free forever · No credit card
Is SHINKOMARU NO8 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 4, 2026
Position
35.4602° N, 139.6697° 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 SHINKOMARU NO8 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 SHINKOMARU NO8 and switch it all on
Free to join · nothing to install to start · cancel anytime
About SHINKOMARU NO8
What kind of vessel is SHINKOMARU NO8?
SHINKOMARU NO8 is a vessel flagged to Japan.
Where was SHINKOMARU NO8 last seen?
SHINKOMARU NO8 was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is SHINKOMARU NO8's MMSI?
SHINKOMARU NO8's MMSI is 431003181. IMO 9632662.
How big is SHINKOMARU NO8?
SHINKOMARU NO8 is about 79 m long.
Is SHINKOMARU NO8 on the Master's Mate Safety Initiative Network?
Not yet. If SHINKOMARU NO8 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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