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
YN BUSAN
MMSI 441986000
Not yet on Master's MateFlag
KORLength
109.4 m
IMO
9805300
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
32
YN BUSAN is a South Korean boat, 109.4 metres from stem to stern. On AIS she appears as MMSI 441986000, IMO 9805300. Claim YN BUSAN free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
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Is YN BUSAN 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
Last known position · Jun 3, 2026
Position
34.1639° N, 129.6228° E
Crossing the Sea of Japan? You're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put YN BUSAN 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 YN BUSAN and switch it all on
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About YN BUSAN
What kind of vessel is YN BUSAN?
YN BUSAN is a vessel flagged to South Korea.
Where was YN BUSAN last seen?
YN BUSAN was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is YN BUSAN's MMSI?
YN BUSAN's MMSI is 441986000. IMO 9805300.
How big is YN BUSAN?
YN BUSAN is about 109.4 m long.
Is YN BUSAN on the Master's Mate Safety Initiative Network?
Not yet. If YN BUSAN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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