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
Tong Zhou 27
MMSI 413447510
Not yet on Master's MateFlag
CHNLength
99 m
IMO
9655949
AIS reports
2
Tong Zhou 27, a vessel under the Chinese flag, measures 99 metres on deck. Her papers read MMSI 413447510, IMO 9655949. Sign Tong Zhou 27 up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
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Is Tong Zhou 27 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 Tong Zhou 27 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 Tong Zhou 27 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 Tong Zhou 27 and switch it all on
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About Tong Zhou 27
What kind of vessel is Tong Zhou 27?
Tong Zhou 27 is a vessel flagged to China.
What is Tong Zhou 27's MMSI?
Tong Zhou 27's MMSI is 413447510. IMO 9655949.
How big is Tong Zhou 27?
Tong Zhou 27 is about 99 m long.
Is Tong Zhou 27 on the Master's Mate Safety Initiative Network?
Not yet. If Tong Zhou 27 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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