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

Volgo Don 5021

MMSI 273440820

Not yet on Master's Mate

Flag

RUS

Length

138 m

IMO

8955873

AIS reports

On the Russian registry, Volgo Don 5021 is a 138-metre boat. Her registration reads MMSI 273440820, IMO 8955873. Claim Volgo Don 5021 free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.

Free forever · No credit card

Is Volgo Don 5021 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 Volgo Don 5021 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 Volgo Don 5021 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 Volgo Don 5021 and switch it all on

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About Volgo Don 5021

What kind of vessel is Volgo Don 5021?

Volgo Don 5021 is a vessel flagged to Russia.

What is Volgo Don 5021's MMSI?

Volgo Don 5021's MMSI is 273440820. IMO 8955873.

How big is Volgo Don 5021?

Volgo Don 5021 is about 138 m long.

Is Volgo Don 5021 on the Master's Mate Safety Initiative Network?

Not yet. If Volgo Don 5021 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).