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

Nefritovyy

MMSI 273372120

Not yet on Master's Mate

Flag

RUS

Length

56 m

IMO

9258038

AIS reports

Nefritovyy, a craft listed on the Russia registry, measures 56 metres on deck. On the registers she's MMSI 273372120, IMO 9258038. Nefritovyy is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.

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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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Wherever Nefritovyy 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 Nefritovyy 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 Nefritovyy and switch it all on

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About Nefritovyy

What kind of vessel is Nefritovyy?

Nefritovyy is a vessel flagged to Russia.

What is Nefritovyy's MMSI?

Nefritovyy's MMSI is 273372120. IMO 9258038.

How big is Nefritovyy?

Nefritovyy is about 56 m long.

Is Nefritovyy on the Master's Mate Safety Initiative Network?

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