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.
Cargo
SLETTHOLM
MMSI 257988800 · Call sign LG4524
Not yet on Master's MateType
Cargo
Flag
NORLength
26 m
Beam
7 m
Call sign
LG4524
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
63
SLETTHOLM is a Norwegian 26-metre merchant ship. Her hull carries 7 metres in the beam. Look for MMSI 257988800, call sign LG4524. Big or small, every hull benefits from the free Master's Mate Safety Initiative Network — SLETTHOLM included.
Free forever · No credit card · for commercial operators
Eyes on SLETTHOLM, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 15:49 UTC
Position
63.8721° N, 8.5522° E
Status
Under way (engine)
Speed
0.0 kn
Course
360°
Destination
GROTTINGSOYA
ETA
06-04 07:30 UTC
Transiting 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.
Free with your claim · for commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SLETTHOLM on the map. It hands you the full bridge:
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim SLETTHOLM and switch it all on
Free to join · nothing to install to start · cancel anytime
About SLETTHOLM
What kind of vessel is SLETTHOLM?
SLETTHOLM is a Cargo flagged to Norway.
Where was SLETTHOLM last seen?
SLETTHOLM was last reported in the Norwegian coast in Jun 2026 on public AIS.
What is SLETTHOLM's MMSI?
SLETTHOLM's MMSI is 257988800. Call sign LG4524.
How big is SLETTHOLM?
SLETTHOLM is about 26 m long, 7 m on the beam.
Is SLETTHOLM on the Master's Mate Safety Initiative Network?
Not yet. If SLETTHOLM is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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