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
NO1 GU JIN
MMSI 440104780 · Call sign 301GU
Not yet on Master's MateType
Fishing
Flag
KORCall sign
301GU
IMO
4194304
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
9
NO1 GU JIN is a South Korean fishing craft. On AIS she appears as MMSI 440104780, call sign 301GU, IMO 4194304. It's free to add NO1 GU 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 · for working captains
Know where the fleet is. Get NO1 GU JIN 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 2, 2026
Position
35.1307° N, 129.4076° E
Fishing the Sea of Japan? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put NO1 GU JIN 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 NO1 GU JIN and switch it all on
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About NO1 GU JIN
What kind of vessel is NO1 GU JIN?
NO1 GU JIN is a Fishing flagged to South Korea.
Where was NO1 GU JIN last seen?
NO1 GU JIN was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is NO1 GU JIN's MMSI?
NO1 GU JIN's MMSI is 440104780. Call sign 301GU. IMO 4194304.
Is NO1 GU JIN on the Master's Mate Safety Initiative Network?
Not yet. If NO1 GU JIN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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