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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

Berge Nantong

MMSI 477241500

Not yet on Master's Mate
Flag
HKGHKG
Length
225.3 m
IMO
9317987
AIS reports
2

Berge Nantong, a Hong Kong boat, measures 225.3 metres on deck. Officially she's MMSI 477241500, IMO 9317987. Berge Nantong is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.

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Is Berge Nantong 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 Berge Nantong 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 Berge Nantong 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 Berge Nantong and switch it all on
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About Berge Nantong

What kind of vessel is Berge Nantong?
Berge Nantong is a vessel flagged to Hong Kong S.A.R..
What is Berge Nantong's MMSI?
Berge Nantong's MMSI is 477241500. IMO 9317987.
How big is Berge Nantong?
Berge Nantong is about 225.3 m long.
Is Berge Nantong on the Master's Mate Safety Initiative Network?
Not yet. If Berge Nantong is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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