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

Yosu Gas

MMSI 440831000

Not yet on Master's Mate

Flag

KOR

Length

105 m

IMO

9016739

AIS reports

Out of South Korea, Yosu Gas is a 105-metre vessel. Officially she's MMSI 440831000, IMO 9016739. Add Yosu Gas to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.

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Is Yosu Gas 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 Yosu Gas 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 Yosu Gas 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 Yosu Gas and switch it all on

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About Yosu Gas

What kind of vessel is Yosu Gas?

Yosu Gas is a vessel flagged to South Korea.

What is Yosu Gas's MMSI?

Yosu Gas's MMSI is 440831000. IMO 9016739.

How big is Yosu Gas?

Yosu Gas is about 105 m long.

Is Yosu Gas on the Master's Mate Safety Initiative Network?

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