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
SISU
Netherlands · last seen 52°N 4°E · Jun 2026 · MMSI 244745719
Not yet on Master's MateFlag
NLDFirst reported
Jun 2026
Last reported
Jun 2026
AIS reports
94
Flying the Dutch flag, SISU is a vessel. Officially she's MMSI 244745719. Claim SISU free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card
Is SISU 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 15, 2026 17:59 UTC
Position
51.8205° N, 4.0511° E
Status
Under way (engine)
Speed
0.0 kn
Course
360°
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.
Free with your claim
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SISU 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 SISU and switch it all on
Free to join · nothing to install to start · cancel anytime
About SISU
What kind of vessel is SISU?
SISU is a vessel flagged to Netherlands.
Where was SISU last seen?
SISU was last reported in the North Sea in Jun 2026 on public AIS.
What is SISU's MMSI?
SISU's MMSI is 244745719.
Is SISU on the Master's Mate Safety Initiative Network?
Not yet. If SISU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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