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

Emma Mærsk

MMSI 220417000

Not yet on Master's Mate

Flag

DNK

Length

397 m

IMO

9321483

AIS reports

Emma Mærsk is a Danish 397-metre craft. She's listed under MMSI 220417000, IMO 9321483. Claim Emma Mærsk free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.

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Is Emma Mærsk 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 Emma Mærsk roams, 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 Emma Mærsk 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 Emma Mærsk and switch it all on

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About Emma Mærsk

What kind of vessel is Emma Mærsk?

Emma Mærsk is a vessel flagged to Denmark.

What is Emma Mærsk's MMSI?

Emma Mærsk's MMSI is 220417000. IMO 9321483.

How big is Emma Mærsk?

Emma Mærsk is about 397 m long.

Is Emma Mærsk on the Master's Mate Safety Initiative Network?

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