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 Shan

MMSI 312244000

Not yet on Master's Mate

Flag

BLZ

Length

80 m

IMO

9350331

AIS reports

Chang Shan, a vessel on the Belize registry, measures 80 metres on deck. She's listed under MMSI 312244000, IMO 9350331. Join Chang Shan to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.

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

Wherever Chang 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.

Free with your claim

The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put Chang 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 Chang Shan and switch it all on

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About Chang Shan

What kind of vessel is Chang Shan?

Chang Shan is a vessel flagged to Belize.

What is Chang Shan's MMSI?

Chang Shan's MMSI is 312244000. IMO 9350331.

How big is Chang Shan?

Chang Shan is about 80 m long.

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

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