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

RN Poseidon

MMSI 273335790

Not yet on Master's Mate

Flag

RUS

Length

29 m

IMO

9383819

AIS reports

RN Poseidon is a boat on the Russia registry, 29 metres from stem to stern. On the registers she's MMSI 273335790, IMO 9383819. Claim RN Poseidon free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.

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Is RN Poseidon 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 RN Poseidon 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 RN Poseidon 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 RN Poseidon and switch it all on

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About RN Poseidon

What kind of vessel is RN Poseidon?

RN Poseidon is a vessel flagged to Russia.

What is RN Poseidon's MMSI?

RN Poseidon's MMSI is 273335790. IMO 9383819.

How big is RN Poseidon?

RN Poseidon is about 29 m long.

Is RN Poseidon on the Master's Mate Safety Initiative Network?

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