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

Keoyoung Master

MMSI 441475000

Not yet on Master's Mate

Flag

KOR

Length

89 m

IMO

9502520

AIS reports

Keoyoung Master is a South Korean 89-metre boat. Find her under MMSI 441475000, IMO 9502520. Keoyoung Master is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.

Free forever · No credit card

Is Keoyoung Master 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 Keoyoung Master 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 Keoyoung Master 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 Keoyoung Master and switch it all on

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Claim free → unlock everything

About Keoyoung Master

What kind of vessel is Keoyoung Master?

Keoyoung Master is a vessel flagged to South Korea.

What is Keoyoung Master's MMSI?

Keoyoung Master's MMSI is 441475000. IMO 9502520.

How big is Keoyoung Master?

Keoyoung Master is about 89 m long.

Is Keoyoung Master on the Master's Mate Safety Initiative Network?

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