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
TN IDUN
MMSI 440437000
Not yet on Master's MateFlag
KORLength
86 m
IMO
9244879
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
23
On the South Korean registry, TN IDUN is an 86-metre vessel. Find her under MMSI 440437000, IMO 9244879. TN IDUN can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Free forever · No credit card
Is TN IDUN 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 3, 2026
Position
34.7225° N, 128.9764° E
Crossing 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.
Free with your claim
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put TN IDUN 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 TN IDUN and switch it all on
Free to join · nothing to install to start · cancel anytime
About TN IDUN
What kind of vessel is TN IDUN?
TN IDUN is a vessel flagged to South Korea.
Where was TN IDUN last seen?
TN IDUN was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is TN IDUN's MMSI?
TN IDUN's MMSI is 440437000. IMO 9244879.
How big is TN IDUN?
TN IDUN is about 86 m long.
Is TN IDUN on the Master's Mate Safety Initiative Network?
Not yet. If TN IDUN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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