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
NO.33_SUMISEMARU
Japan · last seen 35°N 135°E · Jun 2026 · MMSI 431013233
Not yet on Master's MateFlag
JPNFirst reported
Jun 2026
Last reported
Jun 2026
AIS reports
24
Registered in Japan, NO.33_SUMISEMARU is a craft. She's on record as MMSI 431013233. There's a place for NO.33_SUMISEMARU on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
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Is NO.33_SUMISEMARU 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.
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Live AIS position · Jun 15, 2026 12:18 UTC
Position
34.7749° N, 134.6603° E
Status
Moored
Speed
0.0 kn
Course
127°
Crossing the Sea of Japan? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put NO.33_SUMISEMARU 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.
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About NO.33_SUMISEMARU
What kind of vessel is NO.33_SUMISEMARU?
NO.33_SUMISEMARU is a vessel flagged to Japan.
Where was NO.33_SUMISEMARU last seen?
NO.33_SUMISEMARU was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is NO.33_SUMISEMARU's MMSI?
NO.33_SUMISEMARU's MMSI is 431013233.
Is NO.33_SUMISEMARU on the Master's Mate Safety Initiative Network?
Not yet. If NO.33_SUMISEMARU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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