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

Spring Valen

MMSI 477137100

Not yet on Master's Mate

Flag

HKG

Length

122.2 m

IMO

9505950

AIS reports

Out of Hong Kong, Spring Valen is a 122.2-metre boat. Her papers read MMSI 477137100, IMO 9505950. Spring Valen belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.

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Is Spring Valen 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 Spring Valen 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 Spring Valen 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 Spring Valen and switch it all on

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About Spring Valen

What kind of vessel is Spring Valen?

Spring Valen is a vessel flagged to Hong Kong S.A.R..

What is Spring Valen's MMSI?

Spring Valen's MMSI is 477137100. IMO 9505950.

How big is Spring Valen?

Spring Valen is about 122.2 m long.

Is Spring Valen on the Master's Mate Safety Initiative Network?

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