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
8YOOJIN
last seen 35°N 129°E · Jun 2026 · MMSI 440010100 · Call sign 308
Not yet on Master's MateLength
29 m
Beam
6 m
Call sign
308
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
10
8YOOJIN is a 29-metre vessel. Her hull carries 6 metres in the beam. Find her under MMSI 440010100, call sign 308. There's a place for 8YOOJIN on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
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Is 8YOOJIN 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.
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Last known position · Jun 15, 2026
Position
34.7368° N, 128.9808° 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.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put 8YOOJIN 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 8YOOJIN and switch it all on
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About 8YOOJIN
What kind of vessel is 8YOOJIN?
8YOOJIN is a vessel.
Where was 8YOOJIN last seen?
8YOOJIN was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is 8YOOJIN's MMSI?
8YOOJIN's MMSI is 440010100. Call sign 308.
How big is 8YOOJIN?
8YOOJIN is about 29 m long, 6 m on the beam.
Is 8YOOJIN on the Master's Mate Safety Initiative Network?
Not yet. If 8YOOJIN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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