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
Greundiek
MMSI 211343480
Not yet on Master's MateFlag
DEULength
46.6 m
IMO
5148998
AIS reports
2
Greundiek, a German boat, measures 46.6 metres on deck. Find her under MMSI 211343480, IMO 5148998. Put Greundiek on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
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Is Greundiek 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
Live AIS position · Jun 9, 2026 19:04 UTC
Position
53.6099° N, 9.4909° E
Status
Under way (engine)
Speed
4.1 kn
Course
237°
Destination
HAMBURG
ETA
06-09 10:00 UTC
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 Greundiek 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 Greundiek and switch it all on
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About Greundiek
What kind of vessel is Greundiek?
Greundiek is a vessel flagged to Germany.
Where was Greundiek last seen?
Greundiek was last reported in the North Sea on public AIS.
What is Greundiek's MMSI?
Greundiek's MMSI is 211343480. IMO 5148998.
How big is Greundiek?
Greundiek is about 46.6 m long.
Is Greundiek on the Master's Mate Safety Initiative Network?
Not yet. If Greundiek is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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