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

Green Power

MMSI 431018000

Not yet on Master's Mate

Flag

JPN

Length

235 m

IMO

9276729

AIS reports

Green Power is a Japanese craft — 235 metres overall. Officially she's MMSI 431018000, IMO 9276729. Green Power is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.

Free forever · No credit card

Is Green Power 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 Green Power 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 Green Power 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 Green Power and switch it all on

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About Green Power

What kind of vessel is Green Power?

Green Power is a vessel flagged to Japan.

What is Green Power's MMSI?

Green Power's MMSI is 431018000. IMO 9276729.

How big is Green Power?

Green Power is about 235 m long.

Is Green Power on the Master's Mate Safety Initiative Network?

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