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

FOSNA SLEIPNER

MMSI 257956500 · Call sign LG9456

Not yet on Master's Mate

Flag

NOR

Length

15 m

Beam

12 m

Call sign

LG9456

First reported

Jun 2026

Last reported

Jun 2026

AIS reports

FOSNA SLEIPNER, a craft wearing Norwegian colours, measures 15 metres on deck. Her hull carries 12 metres in the beam. Officially she's MMSI 257956500, call sign LG9456. FOSNA SLEIPNER can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.

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Is FOSNA SLEIPNER 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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Live AIS position · Jun 9, 2026 14:06 UTC

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Position

63.8623° N, 9.6351° E

Status

Under way (engine)

Speed

7.4 kn

Course

68°

Destination

CH16

Crossing the Norwegian coast? 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 FOSNA SLEIPNER 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 SLEIPNER

What kind of vessel is FOSNA SLEIPNER?

FOSNA SLEIPNER is a vessel flagged to Norway.

Where was FOSNA SLEIPNER last seen?

FOSNA SLEIPNER was last reported in the Norwegian coast in Jun 2026 on public AIS.

What is FOSNA SLEIPNER's MMSI?

FOSNA SLEIPNER's MMSI is 257956500. Call sign LG9456.

How big is FOSNA SLEIPNER?

FOSNA SLEIPNER is about 15 m long, 12 m on the beam.

Is FOSNA SLEIPNER on the Master's Mate Safety Initiative Network?

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