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.
Fishing
3DONGA
MMSI 440124730
Not yet on Master's MateType
Fishing
Flag
KORLength
30 m
Beam
6 m
Draft
3 m
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
62
Registered in South Korea, 3DONGA is a 30-metre fishing trawler. Her hull carries a beam measuring 6 metres and a draft measuring 3 metres. She's listed under MMSI 440124730. Put 3DONGA on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
Free forever · No credit card · for working captains
Know where the fleet is. Get 3DONGA home safe.
Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.
Keep the fleet in sight — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 3, 2026
Position
35.0884° N, 129.0259° E
Fishing 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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Joining the Safety Initiative Network doesn't just put 3DONGA on the map. It hands you the full bridge:
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.
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.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim 3DONGA and switch it all on
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About 3DONGA
What kind of vessel is 3DONGA?
3DONGA is a Fishing flagged to South Korea.
Where was 3DONGA last seen?
3DONGA was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is 3DONGA's MMSI?
3DONGA's MMSI is 440124730.
How big is 3DONGA?
3DONGA is about 30 m long, 6 m on the beam, drawing 3 m.
Is 3DONGA on the Master's Mate Safety Initiative Network?
Not yet. If 3DONGA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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