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

Håkon Mosby

MMSI 258244000

Not yet on Master's Mate

Flag

NOR

Length

47 m

IMO

7922233

AIS reports

Håkon Mosby, a vessel listed on the Norway registry, measures 47 metres on deck. On AIS she appears as MMSI 258244000, IMO 7922233. Bring Håkon Mosby aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.

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Is Håkon Mosby 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 Håkon Mosby 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 Håkon Mosby 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 Håkon Mosby and switch it all on

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About Håkon Mosby

What kind of vessel is Håkon Mosby?

Håkon Mosby is a vessel flagged to Norway.

What is Håkon Mosby's MMSI?

Håkon Mosby's MMSI is 258244000. IMO 7922233.

How big is Håkon Mosby?

Håkon Mosby is about 47 m long.

Is Håkon Mosby on the Master's Mate Safety Initiative Network?

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