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.
Fishing
LARSTEIN
MMSI 257105640 · Call sign LK4735
Not yet on Master's MateType
Fishing
Flag
NORLength
15 m
Beam
6 m
Call sign
LK4735
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
A Norwegian commercial fishing vessel, LARSTEIN measures 15 metres. She carries a 6 m beam. Find her under MMSI 257105640, call sign LK4735. It's free to add LARSTEIN to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card · for working captains
Know where the fleet is. Get LARSTEIN home safe.
Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.
Keep the fleet in sight — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 15:48 UTC
Position
59.2582° N, 5.1797° E
Speed
0.0 kn
Course
280°
Fishing 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 LARSTEIN 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.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
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.
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.
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 LARSTEIN and switch it all on
Free to join · nothing to install to start · cancel anytime
About LARSTEIN
What kind of vessel is LARSTEIN?
LARSTEIN is a Fishing flagged to Norway.
Where was LARSTEIN last seen?
LARSTEIN was last reported in the North Sea in Jun 2026 on public AIS.
What is LARSTEIN's MMSI?
LARSTEIN's MMSI is 257105640. Call sign LK4735.
How big is LARSTEIN?
LARSTEIN is about 15 m long, 6 m on the beam.
Is LARSTEIN on the Master's Mate Safety Initiative Network?
Not yet. If LARSTEIN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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