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

No17 Yongma

MMSI 440116510

Not yet on Master's Mate

Flag

KOR

Length

36 m

IMO

9009542

AIS reports

No17 Yongma is a boat listed on the South Korea registry, 36 metres in length. Officially she's MMSI 440116510, IMO 9009542. Join No17 Yongma to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.

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Is No17 Yongma 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 No17 Yongma 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 No17 Yongma 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 No17 Yongma and switch it all on

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About No17 Yongma

What kind of vessel is No17 Yongma?

No17 Yongma is a vessel flagged to South Korea.

What is No17 Yongma's MMSI?

No17 Yongma's MMSI is 440116510. IMO 9009542.

How big is No17 Yongma?

No17 Yongma is about 36 m long.

Is No17 Yongma on the Master's Mate Safety Initiative Network?

Not yet. If No17 Yongma is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).