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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

KON.WILLEM ALEXANDER

MMSI 244780635 · Call sign PG5130

Not yet on Master's Mate
Flag
NLDNLD
Length
19 m
Beam
4 m
Call sign
PG5130
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85

Registered in the Netherlands, KON.WILLEM ALEXANDER is a 19-metre craft. Below, she has a 4-metre beam. On AIS she shows as MMSI 244780635, call sign PG5130. KON.WILLEM ALEXANDER is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.

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Live AIS position · Jun 10, 2026 00:22 UTC
Position
52.3679° N, 4.8935° E
Status
Under way (engine)
Speed
0.1 kn
Course
360°
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Joining the Safety Initiative Network doesn't just put KON.WILLEM ALEXANDER 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.
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About KON.WILLEM ALEXANDER

What kind of vessel is KON.WILLEM ALEXANDER?
KON.WILLEM ALEXANDER is a vessel flagged to Netherlands.
Where was KON.WILLEM ALEXANDER last seen?
KON.WILLEM ALEXANDER was last reported in the North Sea in Jun 2026 on public AIS.
What is KON.WILLEM ALEXANDER's MMSI?
KON.WILLEM ALEXANDER's MMSI is 244780635. Call sign PG5130.
How big is KON.WILLEM ALEXANDER?
KON.WILLEM ALEXANDER is about 19 m long, 4 m on the beam.
Is KON.WILLEM ALEXANDER on the Master's Mate Safety Initiative Network?
Not yet. If KON.WILLEM ALEXANDER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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