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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

Yao Long

MMSI 413379780

Not yet on Master's Mate
Flag
CHNCHN
Length
183 m
IMO
9638537
AIS reports
2

Yao Long flies the Chinese flag — an 183-metre vessel. Her registration reads MMSI 413379780, IMO 9638537. Sign Yao Long up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.

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Is Yao Long 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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Wherever Yao Long 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 Yao Long 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 Yao Long and switch it all on
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About Yao Long

What kind of vessel is Yao Long?
Yao Long is a vessel flagged to China.
What is Yao Long's MMSI?
Yao Long's MMSI is 413379780. IMO 9638537.
How big is Yao Long?
Yao Long is about 183 m long.
Is Yao Long on the Master's Mate Safety Initiative Network?
Not yet. If Yao Long is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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