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
SEONGWON2
South Korea · last seen 35°N 129°E · Jun 2026 · MMSI 440121070
Not yet on Master's MateFlag
KORFirst reported
Jun 2026
Last reported
Jun 2026
AIS reports
21
Registered in South Korea, SEONGWON2 is a craft. She broadcasts as MMSI 440121070. The Master's Mate Safety Initiative Network welcomes SEONGWON2 — free to join, cruiser-run, and always on watch.
Free forever · No credit card
Is SEONGWON2 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
35.1211° N, 129.0491° 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 SEONGWON2 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 SEONGWON2 and switch it all on
Free to join · nothing to install to start · cancel anytime
About SEONGWON2
What kind of vessel is SEONGWON2?
SEONGWON2 is a vessel flagged to South Korea.
Where was SEONGWON2 last seen?
SEONGWON2 was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is SEONGWON2's MMSI?
SEONGWON2's MMSI is 440121070.
Is SEONGWON2 on the Master's Mate Safety Initiative Network?
Not yet. If SEONGWON2 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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