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.
Towing
305 NAM JIN
Towing · last seen 35°N 129°E · Jun 2026 · MMSI 440108140 · Call sign 040293
Not yet on Master's MateType
Towing
Length
25 m
Beam
7 m
Draft
3 m
Call sign
040293
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
1
305 NAM JIN is a 25-metre work boat. She has a 7-metre beam and a draft measuring 3 metres. Officially she's MMSI 440108140, call sign 040293. 305 NAM JIN is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
Free forever · No credit card · for working boats
Built for boats that work — like 305 NAM JIN.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 15, 2026
Position
35.0962° N, 129.0402° E
Working the Sea of Japan? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put 305 NAM JIN on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
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.
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 305 NAM JIN and switch it all on
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About 305 NAM JIN
What kind of vessel is 305 NAM JIN?
305 NAM JIN is a Towing.
Where was 305 NAM JIN last seen?
305 NAM JIN was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is 305 NAM JIN's MMSI?
305 NAM JIN's MMSI is 440108140. Call sign 040293.
How big is 305 NAM JIN?
305 NAM JIN is about 25 m long, 7 m on the beam, drawing 3 m.
Is 305 NAM JIN on the Master's Mate Safety Initiative Network?
Not yet. If 305 NAM JIN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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