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

Ratu Nusantara

MMSI 525005313

Not yet on Master's Mate

Flag

IDN

Length

233 m

IMO

9012707

AIS reports

Ratu Nusantara is an Indonesian vessel, 233 metres long. Find her under MMSI 525005313, IMO 9012707. Put Ratu Nusantara on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.

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Is Ratu Nusantara 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 Ratu Nusantara 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 Ratu Nusantara 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 Ratu Nusantara and switch it all on

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About Ratu Nusantara

What kind of vessel is Ratu Nusantara?

Ratu Nusantara is a vessel flagged to Indonesia.

What is Ratu Nusantara's MMSI?

Ratu Nusantara's MMSI is 525005313. IMO 9012707.

How big is Ratu Nusantara?

Ratu Nusantara is about 233 m long.

Is Ratu Nusantara on the Master's Mate Safety Initiative Network?

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