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
HNLMS Karel Doorman
MMSI 244173000
Not yet on Master's MateFlag
NLDLength
190 m
IMO
4601759
AIS reports
1
Out of the Netherlands, HNLMS Karel Doorman is a 190-metre boat. On AIS she shows as MMSI 244173000, IMO 4601759. Join HNLMS Karel Doorman to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
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Is HNLMS Karel Doorman 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
Wherever HNLMS Karel Doorman roams, 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 HNLMS Karel Doorman 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 HNLMS Karel Doorman and switch it all on
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About HNLMS Karel Doorman
What kind of vessel is HNLMS Karel Doorman?
HNLMS Karel Doorman is a vessel flagged to Netherlands.
What is HNLMS Karel Doorman's MMSI?
HNLMS Karel Doorman's MMSI is 244173000. IMO 4601759.
How big is HNLMS Karel Doorman?
HNLMS Karel Doorman is about 190 m long.
Is HNLMS Karel Doorman on the Master's Mate Safety Initiative Network?
Not yet. If HNLMS Karel Doorman is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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