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
Polymnia I
MMSI 215254000
Not yet on Master's MateFlag
MLTLength
330 m
IMO
9575955
AIS reports
2
Polymnia I, a Maltese vessel, measures 330 metres on deck. Find her under MMSI 215254000, IMO 9575955. Polymnia I belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
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Is Polymnia I 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 Polymnia I 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 Polymnia I 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 Polymnia I and switch it all on
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About Polymnia I
What kind of vessel is Polymnia I?
Polymnia I is a vessel flagged to Malta.
What is Polymnia I's MMSI?
Polymnia I's MMSI is 215254000. IMO 9575955.
How big is Polymnia I?
Polymnia I is about 330 m long.
Is Polymnia I on the Master's Mate Safety Initiative Network?
Not yet. If Polymnia I is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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