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
WILLEM VAN DER ZWAN
last seen 51°N 11°W · Jun 2026 · MMSI 246429000
Not yet on Master's MateFirst reported
Jun 2026
Last reported
Jun 2026
AIS reports
9
WILLEM VAN DER ZWAN is a vessel. She's listed under MMSI 246429000. Give WILLEM VAN DER ZWAN the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card
Is WILLEM VAN DER ZWAN 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 19:05 UTC
Position
50.5402° N, 10.6579° W
Status
Engaged in fishing
Speed
3.8 kn
Course
342°
Crossing the Celtic 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 WILLEM VAN DER ZWAN 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 WILLEM VAN DER ZWAN and switch it all on
Free to join · nothing to install to start · cancel anytime
About WILLEM VAN DER ZWAN
What kind of vessel is WILLEM VAN DER ZWAN?
WILLEM VAN DER ZWAN is a vessel.
Where was WILLEM VAN DER ZWAN last seen?
WILLEM VAN DER ZWAN was last reported in the Celtic Sea in Jun 2026 on public AIS.
What is WILLEM VAN DER ZWAN's MMSI?
WILLEM VAN DER ZWAN's MMSI is 246429000.
Is WILLEM VAN DER ZWAN on the Master's Mate Safety Initiative Network?
Not yet. If WILLEM VAN DER ZWAN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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