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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.
Diving

FOSNA POSEIDON

MMSI 257031990 · Call sign LH2423

Not yet on Master's Mate
Type
Diving
Flag
NORNOR
Length
15 m
Beam
5 m
Draft
2 m
Call sign
LH2423
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
60

FOSNA POSEIDON flies the Norwegian flag — a 15-metre craft. Her hull carries a beam of 5 m and a draft of 2 m. She broadcasts as MMSI 257031990, call sign LH2423. FOSNA POSEIDON can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.

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Last known position · Jun 4, 2026
Position
63.1153° N, 7.7565° E
Crossing the Norwegian coast? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put FOSNA 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.
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About FOSNA POSEIDON

What kind of vessel is FOSNA POSEIDON?
FOSNA POSEIDON is a Diving flagged to Norway.
Where was FOSNA POSEIDON last seen?
FOSNA POSEIDON was last reported in the Norwegian coast in Jun 2026 on public AIS.
What is FOSNA POSEIDON's MMSI?
FOSNA POSEIDON's MMSI is 257031990. Call sign LH2423.
How big is FOSNA POSEIDON?
FOSNA POSEIDON is about 15 m long, 5 m on the beam, drawing 2 m.
Is FOSNA POSEIDON on the Master's Mate Safety Initiative Network?
Not yet. If FOSNA POSEIDON is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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