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

Chang Sheng

MMSI 477858200

Not yet on Master's Mate

Flag

HKG

Length

225 m

IMO

9178408

AIS reports

Chang Sheng, a craft on the Hong Kong registry, measures 225 metres on deck. Her registration reads MMSI 477858200, IMO 9178408. Sign Chang Sheng up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.

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Is Chang Sheng 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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Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Wherever Chang Sheng 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 Chang Sheng 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 Chang Sheng and switch it all on

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About Chang Sheng

What kind of vessel is Chang Sheng?

Chang Sheng is a vessel flagged to Hong Kong S.A.R..

What is Chang Sheng's MMSI?

Chang Sheng's MMSI is 477858200. IMO 9178408.

How big is Chang Sheng?

Chang Sheng is about 225 m long.

Is Chang Sheng on the Master's Mate Safety Initiative Network?

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