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
NO121DAEYANG
MMSI 440181670 · Call sign 393DY
Not yet on Master's MateFlag
KORCall sign
393DY
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
82
Hailing from South Korea, NO121DAEYANG is a boat. She's on record as MMSI 440181670, call sign 393DY. NO121DAEYANG 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 NO121DAEYANG 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
Live AIS position · Jun 9, 2026 16:05 UTC
Position
35.0935° N, 129.0314° E
Speed
0.0 kn
Course
233°
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 NO121DAEYANG 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 NO121DAEYANG and switch it all on
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About NO121DAEYANG
What kind of vessel is NO121DAEYANG?
NO121DAEYANG is a vessel flagged to South Korea.
Where was NO121DAEYANG last seen?
NO121DAEYANG was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is NO121DAEYANG's MMSI?
NO121DAEYANG's MMSI is 440181670. Call sign 393DY.
Is NO121DAEYANG on the Master's Mate Safety Initiative Network?
Not yet. If NO121DAEYANG is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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