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

KRONPRINS HAAKON

MMSI 257275000 · Call sign 3YYQ

Not yet on Master's Mate

Flag

NOR

Length

100 m

Beam

22 m

Draft

8 m

Call sign

3YYQ

IMO

9739587

First reported

Jun 2026

Last reported

Jun 2026

AIS reports

Out of Norway, KRONPRINS HAAKON is a 100-metre craft. Below, she has a beam measuring 22 metres and a draft measuring 8 metres. She's listed under MMSI 257275000, call sign 3YYQ, IMO 9739587. Claim KRONPRINS HAAKON free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.

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Last known position · Jun 4, 2026

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Position

60.7366° N, 4.7845° E

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Joining the Safety Initiative Network doesn't just put KRONPRINS HAAKON 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 KRONPRINS HAAKON

What kind of vessel is KRONPRINS HAAKON?

KRONPRINS HAAKON is a vessel flagged to Norway.

Where was KRONPRINS HAAKON last seen?

KRONPRINS HAAKON was last reported in the North Sea in Jun 2026 on public AIS.

What is KRONPRINS HAAKON's MMSI?

KRONPRINS HAAKON's MMSI is 257275000. Call sign 3YYQ. IMO 9739587.

How big is KRONPRINS HAAKON?

KRONPRINS HAAKON is about 100 m long, 22 m on the beam, drawing 8 m.

Is KRONPRINS HAAKON on the Master's Mate Safety Initiative Network?

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