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

Lady Maria

MMSI 273374360

Not yet on Master's Mate

Flag

RUS

Length

140.8 m

IMO

9777656

AIS reports

Lady Maria, a craft on the Russia registry, measures 140.8 metres on deck. Her papers read MMSI 273374360, IMO 9777656. Lady Maria belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.

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Is Lady Maria 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 Lady Maria 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 Lady Maria 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 Lady Maria and switch it all on

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About Lady Maria

What kind of vessel is Lady Maria?

Lady Maria is a vessel flagged to Russia.

What is Lady Maria's MMSI?

Lady Maria's MMSI is 273374360. IMO 9777656.

How big is Lady Maria?

Lady Maria is about 140.8 m long.

Is Lady Maria on the Master's Mate Safety Initiative Network?

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