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
623 DAE JIN
South Korea · last seen 35°N 129°E · Jun 2026 · MMSI 440146930
Not yet on Master's MateFlag
KORFirst reported
Jun 2026
Last reported
Jun 2026
AIS reports
5
Registered in South Korea, 623 DAE JIN is a vessel. On the registers she's MMSI 440146930. It's free to add 623 DAE JIN to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card
Is 623 DAE JIN 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 4, 2026
Position
35.0862° N, 129.0295° 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.
Free with your claim
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put 623 DAE JIN 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 623 DAE JIN and switch it all on
Free to join · nothing to install to start · cancel anytime
About 623 DAE JIN
What kind of vessel is 623 DAE JIN?
623 DAE JIN is a vessel flagged to South Korea.
Where was 623 DAE JIN last seen?
623 DAE JIN was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is 623 DAE JIN's MMSI?
623 DAE JIN's MMSI is 440146930.
Is 623 DAE JIN on the Master's Mate Safety Initiative Network?
Not yet. If 623 DAE JIN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.