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

Polar Princess

MMSI 331119000

Not yet on Master's Mate

Flag

GRL

Length

87.6 m

IMO

9204609

AIS reports

Polar Princess is an 87.6-metre craft, flying the flag of Greenland. Officially she's MMSI 331119000, IMO 9204609. Polar Princess is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.

Free forever · No credit card

Is Polar Princess 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 Polar Princess 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 Polar Princess 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 Polar Princess and switch it all on

Free to join · nothing to install to start · cancel anytime

Claim free → unlock everything

About Polar Princess

What kind of vessel is Polar Princess?

Polar Princess is a vessel flagged to Greenland.

What is Polar Princess's MMSI?

Polar Princess's MMSI is 331119000. IMO 9204609.

How big is Polar Princess?

Polar Princess is about 87.6 m long.

Is Polar Princess on the Master's Mate Safety Initiative Network?

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