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
Hai Yang Shi You 673
MMSI 413482430
Not yet on Master's MateFlag
CHNLength
74.1 m
IMO
9752785
AIS reports
2
A Chinese boat, Hai Yang Shi You 673 measures 74.1 metres. Find her under MMSI 413482430, IMO 9752785. Hai Yang Shi You 673 belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
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Is Hai Yang Shi You 673 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 Hai Yang Shi You 673 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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Joining the Safety Initiative Network doesn't just put Hai Yang Shi You 673 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 Hai Yang Shi You 673 and switch it all on
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About Hai Yang Shi You 673
What kind of vessel is Hai Yang Shi You 673?
Hai Yang Shi You 673 is a vessel flagged to China.
What is Hai Yang Shi You 673's MMSI?
Hai Yang Shi You 673's MMSI is 413482430. IMO 9752785.
How big is Hai Yang Shi You 673?
Hai Yang Shi You 673 is about 74.1 m long.
Is Hai Yang Shi You 673 on the Master's Mate Safety Initiative Network?
Not yet. If Hai Yang Shi You 673 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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