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 770
MMSI 413305430
Not yet on Master's MateFlag
CHNLength
65 m
IMO
9739068
AIS reports
2
A Chinese vessel, Hai Yang Shi You 770 measures 65 metres. She's listed under MMSI 413305430, IMO 9739068. Add Hai Yang Shi You 770 to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
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Is Hai Yang Shi You 770 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 770 roams, 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 Hai Yang Shi You 770 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 770 and switch it all on
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About Hai Yang Shi You 770
What kind of vessel is Hai Yang Shi You 770?
Hai Yang Shi You 770 is a vessel flagged to China.
What is Hai Yang Shi You 770's MMSI?
Hai Yang Shi You 770's MMSI is 413305430. IMO 9739068.
How big is Hai Yang Shi You 770?
Hai Yang Shi You 770 is about 65 m long.
Is Hai Yang Shi You 770 on the Master's Mate Safety Initiative Network?
Not yet. If Hai Yang Shi You 770 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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