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

Rostov Velikiy

MMSI 273445330

Not yet on Master's Mate

Flag

RUS

Length

141 m

IMO

9289001

AIS reports

Rostov Velikiy is a Russian boat — 141 metres overall. On AIS she appears as MMSI 273445330, IMO 9289001. Add Rostov Velikiy to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.

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Is Rostov Velikiy 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 Rostov Velikiy 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 Rostov Velikiy 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 Rostov Velikiy and switch it all on

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About Rostov Velikiy

What kind of vessel is Rostov Velikiy?

Rostov Velikiy is a vessel flagged to Russia.

What is Rostov Velikiy's MMSI?

Rostov Velikiy's MMSI is 273445330. IMO 9289001.

How big is Rostov Velikiy?

Rostov Velikiy is about 141 m long.

Is Rostov Velikiy on the Master's Mate Safety Initiative Network?

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