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 Family
MMSI 440003940
Not yet on Master's MateFlag
KORLength
44 m
IMO
9258399
AIS reports
2
On the South Korean registry, Ongjin Family is a 44-metre vessel. On the registers she's MMSI 440003940, IMO 9258399. Give Ongjin Family the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card
Is Ongjin Family 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
Live AIS position · Jun 10, 2026 02:12 UTC
Position
37.4548° N, 126.5984° E
Speed
0.0 kn
Course
128°
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.
Free with your claim
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Ongjin Family 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 Family and switch it all on
Free to join · nothing to install to start · cancel anytime
About Ongjin Family
What kind of vessel is Ongjin Family?
Ongjin Family is a vessel flagged to South Korea.
Where was Ongjin Family last seen?
Ongjin Family was last reported in the Yellow Sea on public AIS.
What is Ongjin Family's MMSI?
Ongjin Family's MMSI is 440003940. IMO 9258399.
How big is Ongjin Family?
Ongjin Family is about 44 m long.
Is Ongjin Family on the Master's Mate Safety Initiative Network?
Not yet. If Ongjin Family is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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