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

China Steel Harmony

MMSI 416043000

Not yet on Master's Mate

Flag

TWN

Length

300 m

IMO

9832987

AIS reports

Registered in Taiwan, China Steel Harmony is a 300-metre craft. On the registers she's MMSI 416043000, IMO 9832987. Give China Steel Harmony the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.

Free forever · No credit card

Is China Steel Harmony 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.

Claim this boat — free →

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

Wherever China Steel Harmony 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 China Steel Harmony 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 China Steel Harmony and switch it all on

Free to join · nothing to install to start · cancel anytime

Claim free → unlock everything

About China Steel Harmony

What kind of vessel is China Steel Harmony?

China Steel Harmony is a vessel flagged to Taiwan.

What is China Steel Harmony's MMSI?

China Steel Harmony's MMSI is 416043000. IMO 9832987.

How big is China Steel Harmony?

China Steel Harmony is about 300 m long.

Is China Steel Harmony on the Master's Mate Safety Initiative Network?

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