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
ONGJIN CHEONGJEONGHO
last seen 37°N 127°E · Jun 2026 · MMSI 440161590 · Call sign 124
Not yet on Master's MateCall sign
124
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
3
ONGJIN CHEONGJEONGHO is a craft. Officially she's MMSI 440161590, call sign 124. Claim ONGJIN CHEONGJEONGHO free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
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Is ONGJIN CHEONGJEONGHO 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 15, 2026
Position
37.4668° N, 126.6244° E
Crossing the Yellow Sea? 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 ONGJIN CHEONGJEONGHO 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 ONGJIN CHEONGJEONGHO and switch it all on
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About ONGJIN CHEONGJEONGHO
What kind of vessel is ONGJIN CHEONGJEONGHO?
ONGJIN CHEONGJEONGHO is a vessel.
Where was ONGJIN CHEONGJEONGHO last seen?
ONGJIN CHEONGJEONGHO was last reported in the Yellow Sea in Jun 2026 on public AIS.
What is ONGJIN CHEONGJEONGHO's MMSI?
ONGJIN CHEONGJEONGHO's MMSI is 440161590. Call sign 124.
Is ONGJIN CHEONGJEONGHO on the Master's Mate Safety Initiative Network?
Not yet. If ONGJIN CHEONGJEONGHO is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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