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

Da Hua Shan

MMSI 477858500

Not yet on Master's Mate

Flag

HKG

Length

139 m

IMO

9779757

AIS reports

Registered in Hong Kong, Da Hua Shan is a 139-metre vessel. Find her under MMSI 477858500, IMO 9779757. Da Hua Shan belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.

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Is Da Hua Shan 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 Da Hua Shan 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 Da Hua Shan 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 Da Hua Shan and switch it all on

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About Da Hua Shan

What kind of vessel is Da Hua Shan?

Da Hua Shan is a vessel flagged to Hong Kong S.A.R..

What is Da Hua Shan's MMSI?

Da Hua Shan's MMSI is 477858500. IMO 9779757.

How big is Da Hua Shan?

Da Hua Shan is about 139 m long.

Is Da Hua Shan on the Master's Mate Safety Initiative Network?

Not yet. If Da Hua Shan is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).