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
Sada Maru No. 37
MMSI 431005101
Not yet on Master's MateFlag
JPNLength
77 m
IMO
9699385
AIS reports
2
Sada Maru No. 37 is a Japanese 77-metre vessel. On AIS she shows as MMSI 431005101, IMO 9699385. Join Sada Maru No. 37 to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
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Is Sada Maru No. 37 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
Wherever Sada Maru No. 37 roams, you're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Sada Maru No. 37 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 Sada Maru No. 37 and switch it all on
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About Sada Maru No. 37
What kind of vessel is Sada Maru No. 37?
Sada Maru No. 37 is a vessel flagged to Japan.
What is Sada Maru No. 37's MMSI?
Sada Maru No. 37's MMSI is 431005101. IMO 9699385.
How big is Sada Maru No. 37?
Sada Maru No. 37 is about 77 m long.
Is Sada Maru No. 37 on the Master's Mate Safety Initiative Network?
Not yet. If Sada Maru No. 37 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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