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 Rotterdam

MMSI 244159000

Not yet on Master's Mate

Flag

NLD

Length

166 m

IMO

9109756

AIS reports

A Dutch vessel, HNLMS Rotterdam measures 166 metres. On the registers she's MMSI 244159000, IMO 9109756. HNLMS Rotterdam is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.

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Is HNLMS Rotterdam 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.

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Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Wherever HNLMS Rotterdam 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 Rotterdam 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 Rotterdam and switch it all on

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About HNLMS Rotterdam

What kind of vessel is HNLMS Rotterdam?

HNLMS Rotterdam is a vessel flagged to Netherlands.

What is HNLMS Rotterdam's MMSI?

HNLMS Rotterdam's MMSI is 244159000. IMO 9109756.

How big is HNLMS Rotterdam?

HNLMS Rotterdam is about 166 m long.

Is HNLMS Rotterdam on the Master's Mate Safety Initiative Network?

Not yet. If HNLMS Rotterdam is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).