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
POSEIDON
Norway · last seen 58°N 8°E · Jun 2026 · MMSI 257538600
Not yet on Master's MateFlag
NORFirst reported
Jun 2026
Last reported
Jun 2026
AIS reports
61
POSEIDON is a Norwegian boat. She's listed under MMSI 257538600. Add POSEIDON 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 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.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 4, 2026
Position
58.0730° N, 7.8731° E
Crossing the North Sea? 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 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 POSEIDON and switch it all on
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About POSEIDON
What kind of vessel is POSEIDON?
POSEIDON is a vessel flagged to Norway.
Where was POSEIDON last seen?
POSEIDON was last reported in the North Sea in Jun 2026 on public AIS.
What is POSEIDON's MMSI?
POSEIDON's MMSI is 257538600.
Is POSEIDON on the Master's Mate Safety Initiative Network?
Not yet. If POSEIDON is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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