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

Theresa Hebei

MMSI 477792400

Not yet on Master's Mate

Flag

HKG

Length

229 m

IMO

9591832

AIS reports

Theresa Hebei is a Hong Kong craft — 229 metres overall. She's on record as MMSI 477792400, IMO 9591832. The Master's Mate Safety Initiative Network welcomes Theresa Hebei — free to join, cruiser-run, and always on watch.

Free forever · No credit card

Is Theresa Hebei 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 Theresa Hebei 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 Theresa Hebei 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 Theresa Hebei and switch it all on

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About Theresa Hebei

What kind of vessel is Theresa Hebei?

Theresa Hebei is a vessel flagged to Hong Kong S.A.R..

What is Theresa Hebei's MMSI?

Theresa Hebei's MMSI is 477792400. IMO 9591832.

How big is Theresa Hebei?

Theresa Hebei is about 229 m long.

Is Theresa Hebei on the Master's Mate Safety Initiative Network?

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