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

Ning Hua 421

MMSI 413356540

Not yet on Master's Mate

Flag

CHN

Length

105 m

IMO

9474589

AIS reports

Ning Hua 421 flies the Chinese flag — a 105-metre vessel. Her papers read MMSI 413356540, IMO 9474589. Claim Ning Hua 421 free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.

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Is Ning Hua 421 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 Ning Hua 421 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 Ning Hua 421 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 Ning Hua 421 and switch it all on

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About Ning Hua 421

What kind of vessel is Ning Hua 421?

Ning Hua 421 is a vessel flagged to China.

What is Ning Hua 421's MMSI?

Ning Hua 421's MMSI is 413356540. IMO 9474589.

How big is Ning Hua 421?

Ning Hua 421 is about 105 m long.

Is Ning Hua 421 on the Master's Mate Safety Initiative Network?

Not yet. If Ning Hua 421 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).